Patent US3047694A successfully refreshed from Google Patents.
US3047694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load pickup switch latch mechanisms
Assignee: Westinghouse Electric Corp
•
Filing: 1957-07-12
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Granted: 1962-07-31
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Expires: 1977-07-12
Abstract
No abstract record available.
Inventors
- 👤 Jimmie D Sullivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:38
CPC Classifications
H; H01; H01H; H01H83/00; H01H83/12; H01H71/00; H01H71/10; H01H71/12; H01H71/44; H01H71/443
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2694789A
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US2739270A
Cited
US2795671A
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US2753424A
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US2832010A
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US2836769A
Cited
US2866031A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |