US2985446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Garage door operating mechanism
Assignee: Dalton Foundries Inc
•
Filing: 1956-08-20
•
Granted: 1961-05-23
•
Expires: 1976-08-20
Abstract
No abstract record available.
Inventors
- 👤 George H Marmont
- 👤 Melbourne A Lipp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:49
CPC Classifications
E; E05; E05D; E05D13/00; E05D13/10; E05D13/12; E05D13/1207; E05D13/1215; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/665; E05F15/668; E05F15/681; E05F15/686; E05D15/00; E05D15/40; E05D15/46; E05D15/463; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/106
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US871687A
Cited
US2388182A
Cited
US2346956A
Cited
US2419459A
Cited
US2703235A
Cited
US2800348A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |