Patent US3801211A successfully refreshed from Google Patents.
Patent US2866028A successfully refreshed from Google Patents.
US2866028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically actuated contactor
Assignee: Bristol Co
•
Filing: 1955-06-14
•
Granted: 1958-12-23
•
Expires: 1975-06-14
Abstract
No abstract record available.
Inventors
- 👤 John L Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:03
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/64; H01H50/74; H01H50/76; H01H51/00; H01H51/22; H01H51/2236; H01H51/2245; H01H51/2254; H04; H04M; H04M19/00; H04M19/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1159189A
Cited
US1612114A
Cited
US1624476A
Cited
US1676973A
Cited
US2060235A
Cited
US2486394A
Cited
US2614188A
Cited
US2547026A
Cited
US2609462A
Cited
US2636094A
Cited
US2675440A
Cited
US2698366A
Cited
US2758173A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |