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US2132806A Expired / Lapsed US ⏱️ 0.0 years remaining

Spring latch

Assignee: Individual
•
Filing: 1937-03-22
•
Granted: 1938-10-11
•
Expires: 1957-03-22
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Abstract

No abstract record available.

Inventors

  • 👤 Ruegg Leonard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 06:46
CPC Classifications
E; E05; E05C; E05C3/00; E05C3/12; H; H05; H05K; H05K7/00; H05K7/14; Y; Y10; Y10S; Y10S292/00; Y10S292/49; Y10S292/71; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1051; Y10T292/1052; Y10T292/1059; Y10T292/1075; Y10T292/1083; Y10T292/1085; Y10T292/54

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1941-10-10 1942-04-11 1942-10-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1945-10-10 1946-04-11 1946-10-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1949-10-10 1950-04-11 1950-10-11 $7700.00 Window Closed / Lapsed

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