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Patent US3033958A successfully refreshed from Google Patents.
US3033958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor protector or the like
Assignee: Individual
•
Filing: 1958-07-29
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Granted: 1962-05-08
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Expires: 1978-07-29
Abstract
No abstract record available.
Inventors
- 👤 Alton R Wells
- 👤 Russell L Schwing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:05
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/64; H01H37/68
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1608900A
Cited
GB423874A
Cited
US2497397A
Cited
US2509020A
Cited
US2574192A
Cited
US2586309A
Cited
US2877539A
Cited
US2820870A
Cited
US2881290A
Cited
US2855485A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |