Patent US3445700A successfully refreshed from Google Patents.
US3445700A
Expired / Lapsed
US
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Dynamo-electric machine
Assignee: Georator Corp
•
Filing: 1967-01-09
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Granted: 1969-05-20
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Expires: 1987-01-09
Abstract
No abstract record available.
Inventors
- 👤 Raymon A Prange
- 👤 Shelley Krasnow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:43
CPC Classifications
H; H02; H02K; H02K1/00; H02K1/06; H02K1/22; H02K1/27; H02K1/2706; H02K1/272; H02K1/274; H02K1/2753; H02K1/276
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2449506A
Cited
US2493102A
Cited
US2637825A
Cited
US2703849A
Cited
US2779885A
Cited
US2863077A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |