Patent US2765648A successfully refreshed from Google Patents.
US2765648A
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US
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Electro-magnetic vehicle door lock
Assignee: Individual
•
Filing: 1953-03-13
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Granted: 1956-10-09
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Expires: 1973-03-13
Abstract
No abstract record available.
Inventors
- 👤 Curtis M Hatcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:44
CPC Classifications
E; E05; E05B; E05B47/00; E05B47/02; E05B47/026; E05B47/06; E05B47/0603; E05B47/0001; E05B47/0002; E05B2047/0007; E05B2047/0008; E05B47/0003; E05B47/0004; E05B81/00; E05B81/02; E05B81/04; E05B81/08; Y; Y10; Y10S; Y10S70/00; Y10S70/06; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/1014; Y10T292/1021; Y10T292/1022; Y10T292/1028; Y10T70/00; Y10T70/60; Y10T70/625; Y10T70/65; Y10T70/70; Y10T70/7051; Y10T70/7062; Y10T70/7124; Y10T70/713
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) | 1959-10-09 | 1960-04-09 | 1960-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-09 | 1964-04-09 | 1964-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-09 | 1968-04-09 | 1968-10-09 | $7700.00 | Window Closed / Lapsed |