Patent US2740942A successfully refreshed from Google Patents.
US2740942A
Expired / Lapsed
US
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Bi-metal contact springs
Assignee: Breeze Corp Inc
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Filing: 1953-06-05
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Granted: 1956-04-03
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Expires: 1973-06-05
Abstract
No abstract record available.
Inventors
- 👤 Edward A Sprigg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:26
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |