US2706393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination lock device
Assignee: MAE C HAYS
•
Filing: 1952-10-29
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Granted: 1955-04-19
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Expires: 1972-10-29
Abstract
No abstract record available.
Inventors
- 👤 James G Jamieson
- 👤 Adamec Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:23
CPC Classifications
E; E05; E05B; E05B37/00; E05B37/16; E05B37/163; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5009; Y10T70/5031; Y10T70/70; Y10T70/7153; Y10T70/7181; Y10T70/7192; Y10T70/7198; Y10T70/7215; Y10T70/7226; Y10T70/7322
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) | 1958-04-18 | 1958-10-18 | 1959-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-18 | 1962-10-18 | 1963-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-18 | 1966-10-18 | 1967-04-19 | $7700.00 | Window Closed / Lapsed |