Patent US3523157A successfully refreshed from Google Patents.
US3523157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cast insulating bushing with axially disposed electrical cable
Assignee: Allis Chalmers Corp
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Filing: 1969-01-03
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Granted: 1970-08-04
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Expires: 1989-01-03
Abstract
No abstract record available.
Inventors
- 👤 Raymond A Bauer
- 👤 John G Holmes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:57
CPC Classifications
H; H02; H02G; H02G15/00; H02G15/02; H02G15/06; H02G15/064; H02G15/068; H01; H01B; H01B17/00; H01B17/26; H01B17/30; H01B17/303; H01B17/306
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2379942A
Cited
FR1079048A
Cited
US3018318A
Cited
GB893827A
Cited
US3219753A
Cited
US3348180A
Cited
US3388212A
Cited
US3318995A
Cited
US3422392A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |