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US1372000A Expired / Lapsed US ⏱️ 0.0 years remaining

Door-latch

Assignee: Individual
•
Filing: 1919-07-23
•
Granted: 1921-03-22
•
Expires: 1939-07-23
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Abstract

No abstract record available.

Inventors

  • 👤 Carl E Anderson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 09:57
CPC Classifications
E; E05; E05C; E05C3/00; E05C3/12; E05C3/16; E05C3/22; E05C3/24; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0945; Y10T292/0948; Y10T292/1043; Y10T292/1044; Y10T292/1045; Y10T292/1047; Y10T292/1075; Y10T292/1078

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) 1924-03-21 1924-09-20 1925-03-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1928-03-21 1928-09-20 1929-03-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1932-03-21 1932-09-20 1933-03-22 $7700.00 Window Closed / Lapsed

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