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Patent US3486050A successfully refreshed from Google Patents.
US3486050A
Expired / Lapsed
US
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Electric motor
Assignee: Emerson Electric Co
•
Filing: 1966-10-03
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Granted: 1969-12-23
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Expires: 1986-10-03
Abstract
No abstract record available.
Inventors
- 👤 Clinton H Dederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:48
CPC Classifications
F; F04; F04D; F04D25/00; F04D25/02; F04D25/06; F04D25/0606; H; H02; H02K; H02K5/00; H02K5/04; H02K5/16; H02K5/167; H02K5/1677
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1043741A
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US1816507A
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US2067155A
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US2571672A
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US2685658A
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US2904709A
Cited
US2947893A
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US3081411A
Cited
US3250932A
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US3387153A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |