Vintage Gruen: 1920's » cartouche 37

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Re: cartouche 37 [message #15767 is a reply to message #15752]

Mon, 08 November 2021 02:19

Case
Messages: 1178
Registered: May 2019
Location: Cincinnati

Gruen Authority

My understanding of patent law is they’d have at least a year after intro to file it. Not sure what law was in 1920s though.

Kudos to Matthias for finding the patents. Interesting these—among myriad other designs in play—were filed. Or maybe these were the ones approved (more filed)? But a “patented” stamp shows up in only these cases.

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[Message index]

		cartouche 37 By: Jenneke on Wed, 03 November 2021 22:34
		Re: Unknown cartouche enamel By: Ephemerald on Wed, 03 November 2021 22:50
		Re: Unknown cartouche enamel By: Ephemerald on Wed, 03 November 2021 22:59
		Re: Unknown cartouche enamel By: Jenneke on Wed, 03 November 2021 23:09
		Re: cartouche 37 By: Case on Thu, 04 November 2021 02:41
		Re: cartouche 37 By: Jenneke on Thu, 04 November 2021 06:55
		Re: cartouche 37 By: Case on Thu, 04 November 2021 13:09
		Re: cartouche 37 By: Barney Green on Thu, 04 November 2021 15:05
		Re: cartouche 37 By: Jenneke on Thu, 04 November 2021 17:41
		Re: cartouche 37 By: Case on Mon, 08 November 2021 02:19
		Re: cartouche 37 By: Ephemerald on Wed, 01 December 2021 22:24
		Re: cartouche 37 By: thesnark17 on Thu, 02 December 2021 03:50
		Re: cartouche 37 By: Jenneke on Thu, 02 December 2021 11:11

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