US2811605A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit breaker
Assignee: Federal Electric Products Co
•
Filing: 1953-12-11
•
Granted: 1957-10-29
•
Expires: 1973-12-11
Abstract
No abstract record available.
Inventors
- 👤 Paul M Christensen
- 👤 Wiktor Dominik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:28
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/50; H01H71/52; H01H71/529; H01H2300/00; H01H2300/046; H01H71/501
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CA468174A
Cited
US2070305A
Cited
US2013827A
Cited
US2158369A
Cited
US2126412A
Cited
US2214695A
Cited
US2320355A
Cited
US2310854A
Cited
US2306235A
Cited
US2332496A
Cited
US2426880A
Cited
US2343264A
Cited
US2357151A
Cited
US2416266A
Cited
US2666114A
Cited
US2697765A
Cited
US2660643A
Cited
US2692926A
Cited
US2681397A
Cited
US2700713A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |