US3035134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric switches
Assignee: Cutler Hammer Inc
•
Filing: 1957-03-21
•
Granted: 1962-05-15
•
Expires: 1977-03-21
Abstract
No abstract record available.
Inventors
- 👤 Harold W Hults
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:27
CPC Classifications
H; H01; H01H; H01H23/00; H01H23/02; H01H23/12; H01H23/16; H01H23/04; H01H23/06; H01H23/065; H01H23/28; H01H23/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB413976A
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US2205483A
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US2239155A
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US2277425A
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US2356836A
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US2469336A
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GB602365A
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US2488670A
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US2647180A
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US2641663A
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US2603732A
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US2666092A
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US2759075A
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US2790881A
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US2874338A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |