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US3297888A
Expired / Lapsed
US
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Electrostatic motor
Assignee: Individual
•
Filing: 1963-09-23
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Granted: 1967-01-10
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Expires: 1983-09-23
Abstract
No abstract record available.
Inventors
- 👤 Zwolski Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:28
CPC Classifications
H; H02; H02N; H02N1/00; H02N1/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2860264A
Cited
US2836785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |