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So in my car came 3 bumper jacks ... after looking and comparing pictures I believe I do have the correct jack . Could someone verify from the pics ? And would there be Packard / part number or anything identifying stamped on it anywhere ?

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I can offer this image of the 22nd-23rd Series jack from Reedy & Shaub's book on Packard jacks and tools. Image courtesy of Reedy & Shaub. I hope you find it helpful.

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Interesting enough but I can’t think how that “pin” type jack would work correctly with the rounded bumpers of 22-23 series . However I did find this photo on this forum , it is exactly what I have . Check photo below .....

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Wheelhorse76, at least on my 22nd and 23rd series Customs there was a tapered conical hole punched in the underside of all 4 corners of the bumper for that cone-shaped pin on the jack to nest in. Crawl under, take a peek and let us know.

Anybody who would actually use one of these things is crazy! Not only are they terribly unsafe, but I have seen numerous bumpers that have been damaged by them.

They do make a good conversation piece about what was considered acceptable in the 40's and 50's.

Both my 22nd and 23rd Series Customs have the dimple to receive the prong on the jack. The jack shown in the first photo is not correct for the bathtub Packards. No, I wouldn't actually use my bumper jack.

I’ll check for sure , I’ll probably still clean this one up and put it in there ( not use it )
UPDATE ::::::
After checking the other two jacks I have I bet this one fits it better .

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Wheelhorse76

‘Tee’ section post, and removable bumper cradle are features of the 55/56 design.

My thoughts on your question and the jack shown in the photo:

1. Packard ‘numbered’ their 22nd & 23rd series jacks with the same part number independent of the jack’s design. The Packard part number did not appear on the jack hardware.

2. More than one jack design was used on the 22nd series cars. Typically they were divided ‘junior’ and ‘senior’, but I’m sure there might be a bit of ‘cross pollination’.

3. The Packard jack ‘post’ for the 22nd series was either a ‘Vee’ shape (junior) with the teeth rolled into the inside corner, or square (senior) with the teeth on an outboard face.. Yours looks more of a ‘Tee’ section and that design was not used by Packard until the V-8 cars.

4. The portion of the Packard jack that touches and engages the bumper is broad and has a pin feature that will fit into hole in the lower surface of the bumper itself. Yours looks more like a flat pad. The senior pin appears to be a separate cone shaped piece, while the junior forms that feature in the stampings.

I believe the correct jack for a 22nd car ‘junior’ will be stamped “ASM Co” with patent number numbers 2,266,760 for the post and jack, and 2,397,965 for manufacturing details of forming the teeth into the post. I don’t know the marking on the senior design that Owen provided a photo, but I suspect only the patent number will change, only because the square post was used before the ‘Vee’ shape.

It is documented that Packard provided different jacks within one series, typically segregated junior/senior, but your jack does not appear to be either of those designs. I’m still hung-up on the lack of the safety pin or lip to keep the jack from falling away from the bumper. That seemed to be a feature throughout the industry for bumper jacks, and, as others have pointed out, the 22nd and 23rd series bumpers had holes along the lower lip for that exact purpose.

I’m squarely in the camp that these jacks are good to look at and display with pride, but should never be used. I carry a hydraulic bottle jack just in case.

dp

In post #7

Are the markings clear enough to read?

Did you see the jack pic just above this post ? I think this is the pin . I’m actually just trying to figure out what one is correct for the car . Someone had 3 different jacks in the trunk ..