Patent US3415087A successfully refreshed from Google Patents.
US3415087A
Expired / Lapsed
US
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Electromechanical lock
Assignee: Individual
•
Filing: 1965-10-22
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Granted: 1968-12-10
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph G Kramasz
- 👤 Kaufmann Erich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:54
CPC Classifications
E; E05; E05B; E05B35/00; E05B35/001; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7051; Y10T70/7062; Y10T70/7441; Y10T70/778; Y10T70/7791; Y10T70/80; Y10T70/8027; Y10T70/8054; Y10T70/8081
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1417715A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |