File:US Patent 2424267 Figs 1a, 1b, 1c.PNG — Wikipedia Republished // WIKI 2

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figure 1a, 1b and 1c from US patent 2424267, Philip S. Carter, "High frequency resonator and circuits therefor", granted 1947-07-22 , assigned to Radio Corporation of America

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Description

figure 1a, 1b and 1c from US patent 2424267, Philip S. Carter, "High frequency resonator and circuits therefor", granted 1947-07-22 , assigned to Radio Corporation of America

Date

original upload dateenwiki 2008-01-23

Source

From patent document.

Author

Philip S. Carter

Permission
(Reusing this file)

The text and illustrations of US patents published before March 1, 1989 are in the public domain unless the patent text contains a specific notice that portions are copyrighted. See 37 CFR 1.71(d), 37 CFR 1.84(s)

The original patent contains no such notice, so its contents are in the public domain. Note: This only applies to images published before March 1, 1989. Patents published after that date are most likely copyrighted, unless in the public domain for another reason, such as {{PD-ineligible}}.

Original upload log

The original description page was here. All following user names refer to en.wikipedia.

Upload date	User	Bytes	Dimensions	Comment
2008-01-24 04:01:55	Oleg Alexandrov	25392	206×390	crop
2008-01-23 19:59:45	Reddi	16529	235×424	{{Information \|Description=US Patent 2357313 \|Source=US Patent 2357313 \|Date=Sep 1944 \|Location= \|Author=Philip S. Carter (Radio Corporation of America) \|Permission= \|other_versions= }}

File history

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	18:51, 28 November 2009		206 × 390 (25 KB)	CommonsHelper2 Bot	{{BotMoveToCommons\|en.wikipedia\|year={{subst:CURRENTYEAR}}\|month={{subst:CURRENTMONTHNAME}}\|day={{subst:CURRENTDAY}}}} {{Information \|Description = {{en\|US Patent 2357313}} \|Source = {{en\|US Patent 2357313}} \|Date = Sep 1944 \|Location = \|Author = Phili

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Resonator

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