US3407749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor for propulsion and load support
Assignee: Motors Liquidation Co
•
Filing: 1966-08-31
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Granted: 1968-10-29
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Expires: 1986-08-31
Abstract
No abstract record available.
Inventors
- 👤 Gerald E Frig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:44
CPC Classifications
B; B60; B60L; B60L13/00; B60L13/10; B60L15/00; B60L15/002; B60L15/005; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |