US2315239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door securing mechanism
Assignee: Individual
•
Filing: 1941-03-19
•
Granted: 1943-03-30
•
Expires: 1961-03-19
Abstract
No abstract record available.
Inventors
- 👤 Young William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:43
CPC Classifications
E; E05; E05C; E05C9/00; E05C9/06; E05C9/10; E05C9/14; B; B63; B63B; B63B19/00; B63B2019/0053; B63B2019/0069; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0848; Y10T292/0849; Y10T292/0852; Y10T292/1043; Y10T292/1075; Y10T292/1083; Y10T292/1092; Y10T292/54; Y10T292/564; Y10T292/68; Y10T292/705
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) | 1946-03-29 | 1946-09-28 | 1947-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-03-29 | 1950-09-28 | 1951-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-03-29 | 1954-09-28 | 1955-03-30 | $7700.00 | Window Closed / Lapsed |