US2864017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inducto-motive power apparatus with a plurality of rotors
Assignee: Individual
•
Filing: 1955-11-28
•
Granted: 1958-12-09
•
Expires: 1975-11-28
Abstract
No abstract record available.
Inventors
- 👤 Waltscheff Dimo Dimitroff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:26
CPC Classifications
H; H02; H02K; H02K16/00; H02K16/02; H02K16/025; H02K51/00; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1221; Y10T74/1225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US138855A
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US802632A
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US912144A
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US1708909A
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GB288329A
Cited
US1769652A
Cited
US2296776A
Cited
FR867287A
Cited
US2550571A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |