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Patent US2881292A successfully refreshed from Google Patents.
US2881292A
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Assignee: Pass and Seymour Inc
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Filing: 1957-11-29
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Granted: 1959-04-07
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Expires: 1977-11-29
Abstract
No abstract record available.
Inventors
- 👤 Paul H Winter
- 👤 Mark N Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:06
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/04; H01H13/08; H01H13/50; H01H13/56; H01H13/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2211815A
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US2277555A
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US2366474A
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US2473848A
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US2552471A
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US2576771A
Cited
US2775711A
Cited
US2810031A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |