US2720774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Key actuatable lock
Assignee: Presto Lock Co Inc
•
Filing: 1953-01-21
•
Granted: 1955-10-18
•
Expires: 1973-01-21
Abstract
No abstract record available.
Inventors
- 👤 Charles S Gehrie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:43
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/52; E05B65/5207; E05B65/5246; E05B65/5253; E05B65/5261; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0825; Y10T292/0826; Y10T292/0829; Y10T70/00; Y10T70/50; Y10T70/5009; Y10T70/5031; Y10T70/5058; Y10T70/5066; Y10T70/5093; Y10T70/5155; Y10T70/5173; Y10T70/5195; Y10T70/5199; Y10T70/5246; Y10T70/5248; Y10T70/5283; Y10T70/5292
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR982391A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-17 | 1959-04-18 | 1959-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-17 | 1963-04-18 | 1963-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-17 | 1967-04-18 | 1967-10-18 | $7700.00 | Window Closed / Lapsed |