US2786162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit breaker service equipment
Assignee: Federal Electric Products Co
•
Filing: 1951-03-06
•
Granted: 1957-03-19
•
Expires: 1971-03-06
Abstract
No abstract record available.
Inventors
- 👤 Richard P Ballou
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:19
CPC Classifications
H; H02; H02B; H02B1/00; H02B1/015; H02B1/04; H02B1/056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE19887E
Cited
USRE23156E
Cited
US476970A
Cited
US842110A
Cited
US1244099A
Cited
US1691422A
Cited
US1553952A
Cited
US1557248A
Cited
US1856423A
Cited
US1958916A
Cited
US2023070A
Cited
GB451302A
Cited
US2099585A
Cited
US2132630A
Cited
US2214065A
Cited
US2282520A
Cited
US2261987A
Cited
US2262712A
Cited
US2440824A
Cited
US2439165A
Cited
US2543410A
Cited
US2523725A
Cited
US2544180A
Cited
US2542533A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-18 | 1960-09-17 | 1961-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-18 | 1964-09-17 | 1965-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-18 | 1968-09-17 | 1969-03-19 | $7700.00 | Window Closed / Lapsed |