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US2773955A
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Assignee: Haydon Switch Inc
•
Filing: 1953-06-22
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Granted: 1956-12-11
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Expires: 1973-06-22
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Haydon
- 👤 Herbert H Walley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:06
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/12; H01H1/14; H01H1/20; H01H13/00; H01H13/02; H01H13/26; H01H13/36; H01H13/40; H01H13/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2137057A
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US2468512A
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US2450780A
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US2516584A
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US2479313A
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US2574429A
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US2545629A
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US2586309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |