US2521835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable locking device
Assignee: DEAL SLIDE LOCK DEVICES Inc
•
Filing: 1947-02-19
•
Granted: 1950-09-12
•
Expires: 1967-02-19
Abstract
No abstract record available.
Inventors
- 👤 Louis L Deal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:06
CPC Classifications
B; B61; B61D; B61D25/00; E; E05; E05D; E05D13/00; E05D13/04; E05D13/08; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0876; Y10T292/0878; Y10T292/71
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2380030A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-11 | 1954-03-13 | 1954-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-11 | 1958-03-13 | 1958-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-11 | 1962-03-13 | 1962-09-12 | $7700.00 | Window Closed / Lapsed |