US2750786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination lock
Assignee: Individual
•
Filing: 1953-06-05
•
Granted: 1956-06-19
•
Expires: 1973-06-05
Abstract
No abstract record available.
Inventors
- 👤 Sanowskis Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:14
CPC Classifications
E; E05; E05B; E05B37/00; E05B37/16; E05B37/163; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1075; Y10T292/1078; Y10T292/68; Y10T292/696; Y10T292/702; Y10T70/00; Y10T70/70; Y10T70/7153; Y10T70/7311
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) | 1959-06-19 | 1959-12-19 | 1960-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-19 | 1963-12-19 | 1964-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-19 | 1967-12-19 | 1968-06-19 | $7700.00 | Window Closed / Lapsed |