Patent US4394614A successfully refreshed from Google Patents.
Patent US814984A successfully refreshed from Google Patents.
US3440682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Car door mechanism
Assignee: W H MINER Inc
•
Filing: 1965-11-05
•
Granted: 1969-04-29
•
Expires: 1985-11-05
Abstract
No abstract record available.
Inventors
- 👤 Roland J Olander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:35
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/56; E05D15/565; E05Y; E05Y2800/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US215993A
Cited
US1042326A
Cited
US705080A
Cited
US1809697A
Cited
US2299297A
Cited
US2344903A
Cited
US2335397A
Cited
US2543205A
Cited
US2679428A
Cited
US2881021A
Cited
US3012446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |