US3403313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Constant power, varying speed polyphase motor
Assignee: FRANCIS J PANSINI
•
Filing: 1965-10-21
•
Granted: 1968-09-24
•
Expires: 1985-10-21
Abstract
No abstract record available.
Inventors
- 👤 Francis J Pansini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:38
CPC Classifications
H; H02; H02K; H02K17/00; H02K17/02; H02K17/34; H02H; H02H5/00; H02H5/04; H02H5/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2524361A
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US2749459A
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US2787747A
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US3144597A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |