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US2546760A Expired / Lapsed US ⏱️ 0.0 years remaining

Fastener for pressure doors

Assignee: HARRY F JOESTING
•
Filing: 1944-09-20
•
Granted: 1951-03-27
•
Expires: 1964-09-20
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Abstract

No abstract record available.

Inventors

  • 👤 Claire Eugene J Le

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 18:13
CPC Classifications
E; E05; E05C; E05C9/00; E05C9/06; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0803; Y10T292/0805

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US357101A Cited
US1337733A Cited
US1144152A Cited
GB199986A Cited
US1659202A Cited
US1680332A Cited
US1858013A Cited
US1854680A Cited
US2045303A Cited
US2033305A Cited
US2199765A Cited
US2355475A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-03-26 1954-09-25 1955-03-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-03-26 1958-09-25 1959-03-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-03-26 1962-09-25 1963-03-27 $7700.00 Window Closed / Lapsed

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