Patent US2796485A successfully refreshed from Google Patents.
US2796485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic electrically-charged swinging gate switch
Assignee: FARM DEVICES Inc
•
Filing: 1955-02-01
•
Granted: 1957-06-18
•
Expires: 1975-02-01
Abstract
No abstract record available.
Inventors
- 👤 James D Durkee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:40
CPC Classifications
H; H01; H01H; H01H21/00; H01H21/02; H01H21/18; H01H21/22; H01H21/24; H01H21/28; H01B; H01B17/00; H01B17/14; H01B17/145
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US343939A
Cited
DE329816C
Cited
US1483005A
Cited
US1832232A
Cited
US1891493A
Cited
US2200570A
Cited
US2454896A
Cited
US2639155A
Cited
US2540562A
Cited
US2602421A
Cited
US2629192A
Cited
US2601410A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-17 | 1960-12-17 | 1961-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-17 | 1964-12-17 | 1965-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-17 | 1968-12-17 | 1969-06-18 | $7700.00 | Window Closed / Lapsed |