Patent US3029892A successfully refreshed from Google Patents.
US3029892A
Expired / Lapsed
US
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Automatic automobile safety door lock
Assignee: Holley Performance Products Inc
•
Filing: 1958-01-06
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Granted: 1962-04-17
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Expires: 1978-01-06
Abstract
No abstract record available.
Inventors
- 👤 Lon H Romanski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:08
CPC Classifications
E; E05; E05B; E05B77/00; E05B77/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2115643A
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US2250014A
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US2314815A
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US2369713A
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US2340424A
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US2410998A
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US2471111A
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US2695685A
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US2674334A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |