Patent US2590041A successfully refreshed from Google Patents.
US3133167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety edge for power operated door
Assignee: MILLER NORMAN K
•
Filing: 1961-04-06
•
Granted: 1964-05-12
•
Expires: 1981-04-06
Abstract
No abstract record available.
Inventors
- 👤 Norman K Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:13
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/02; H01H3/14; H01H3/141; H01H3/142; E; E05; E05F; E05F15/00; E05F15/40; E05F15/42; E05F15/44; E05Y; E05Y2600/00; E05Y2600/40; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1950490A
Cited
US2135131A
Cited
US2440943A
Cited
US2740856A
Cited
US2728827A
Cited
US2780693A
Cited
US2843690A
Cited
US2954446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |