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US2151284A Expired / Lapsed US ⏱️ 0.0 years remaining

Spring catch

Assignee: ALBERT H TINNERMAN
•
Filing: 1938-08-03
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Granted: 1939-03-21
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Expires: 1958-08-03
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Abstract

No abstract record available.

Inventors

  • 👤 George A Tinnerman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 22:10
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/06; E05C19/063; Y; Y10; Y10S; Y10S411/00; Y10S411/918; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45602; Y10T24/45775; Y10T24/45874; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0814; Y10T292/0817; Y10T292/0876; Y10T292/088; Y10T292/68

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1942-03-20 1942-09-19 1943-03-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1946-03-20 1946-09-19 1947-03-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1950-03-20 1950-09-19 1951-03-21 $7700.00 Window Closed / Lapsed

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