US3064104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical interlock
Assignee: Westinghouse Electric Corp
•
Filing: 1959-08-07
•
Granted: 1962-11-13
•
Expires: 1979-08-07
Abstract
No abstract record available.
Inventors
- 👤 Bruce C Wells
- 👤 Donald D Armstrong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:56
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/12; H01H1/14; H01H1/20; H01H11/00; H01H11/0006; H01H11/0012; H01H9/00; H01H9/30; H01H9/44; H01H9/443
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US752552A
Cited
US2153402A
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US2337949A
Cited
US2629035A
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US2571951A
Cited
US2822450A
Cited
US2846528A
Cited
US2896043A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |