US2906357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power driving units
Assignee: Individual
•
Filing: 1957-07-11
•
Granted: 1959-09-29
•
Expires: 1977-07-11
Abstract
No abstract record available.
Inventors
- 👤 Robert E Pletka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:16
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/12; B60K; B60K1/00; B60L; B60L50/00; B60L50/50; B60L50/52; B60L2200/00; B60L2200/30; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US612360A
Cited
US969593A
Cited
US1388449A
Cited
US1887433A
Cited
US2478327A
Cited
US2495573A
Cited
US2712357A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |