US2683049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined door latch and lock
Assignee: Individual
•
Filing: 1951-08-13
•
Granted: 1954-07-06
•
Expires: 1971-08-13
Abstract
No abstract record available.
Inventors
- 👤 Spek Marinus A Van Der
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:54
CPC Classifications
E; E05; E05B; E05B17/00; E05B17/20; E05B17/2007; E05B17/208; E05C; E05C3/00; E05C3/02; E05C3/04; E05C3/041; E05C3/044; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1063; Y10T292/1064; Y10T292/1072; Y10T292/1075; Y10T292/1083; Y10T292/1089; Y10T292/68
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-05 | 1958-01-04 | 1958-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-05 | 1962-01-04 | 1962-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-05 | 1966-01-04 | 1966-07-06 | $7700.00 | Window Closed / Lapsed |