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US1368573A Expired / Lapsed US ⏱️ 0.0 years remaining

Door-latch

Assignee: Individual
•
Filing: 1919-07-28
•
Granted: 1921-02-15
•
Expires: 1939-07-28
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Abstract

No abstract record available.

Inventors

  • 👤 Peter S Riel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 10:38
CPC Classifications
E; E05; E05C; E05C3/00; E05C3/12; E05C3/16; E05C3/22; E05C3/36; Y; Y10; Y10T; Y10T292/00; Y10T292/306; Y10T292/308

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) 1924-02-15 1924-08-16 1925-02-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1928-02-15 1928-08-16 1929-02-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1932-02-15 1932-08-16 1933-02-15 $7700.00 Window Closed / Lapsed

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