US3501189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety rear door lock for automobiles
Assignee: Dempco Inc
•
Filing: 1968-02-08
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Granted: 1970-03-17
•
Expires: 1988-02-08
Abstract
No abstract record available.
Inventors
- 👤 Albam M Vik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 06:51
CPC Classifications
E; E05; E05B; E05B77/00; E05B77/52; Y; Y10; Y10S; Y10S292/00; Y10S292/26; Y10S292/65; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1044; Y10T292/1045; Y10T292/1047; Y10T292/1075; Y10T292/1083; Y10T292/1092
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) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |