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US1381855A Expired / Lapsed US ⏱️ 0.0 years remaining

Locking device

Assignee: Individual
•
Filing: 1920-01-10
•
Granted: 1921-06-14
•
Expires: 1940-01-10
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Abstract

No abstract record available.

Inventors

  • 👤 Homer E Ashcraft

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 22:00
CPC Classifications
B; B65; B65D; B65D45/00; B65D45/02; B65D45/16; B65D45/20; B65D45/24; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0803; Y10T292/0805; Y10T292/0806; Y10T292/087; Y10T292/0871; Y10T292/0886; Y10T292/0892; Y10T292/0911; Y10T292/0913; Y10T292/0914; Y10T292/0917

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) 1924-06-13 1924-12-13 1925-06-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1928-06-13 1928-12-13 1929-06-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1932-06-13 1932-12-13 1933-06-14 $7700.00 Window Closed / Lapsed

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