Patent US3034818A successfully refreshed from Google Patents.
US3034818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door latch safety interlock
Assignee: Motors Liquidation Co
•
Filing: 1954-12-30
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Granted: 1962-05-15
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Expires: 1974-12-30
Abstract
No abstract record available.
Inventors
- 👤 Stanley D Cockburn
- 👤 James D Leslie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:59
CPC Classifications
E; E05; E05B; E05B85/00; E05B85/20; E05B85/24; E05B85/28; Y; Y10; Y10S; Y10S292/00; Y10S292/41; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1044; Y10T292/1045; Y10T292/1047; Y10T292/1051; Y10T292/1062; Y10T292/306; Y10T292/308
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1210911A
Cited
FR541135A
Cited
US1738338A
Cited
US2458751A
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US2629620A
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US2689758A
Cited
US2679420A
Cited
US2634147A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |