US3465841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible electric motor speed control
Assignee: Crown Equipment Corp
•
Filing: 1967-10-11
•
Granted: 1969-09-09
•
Expires: 1987-10-11
Abstract
No abstract record available.
Inventors
- 👤 Gerald S Pulskamp
- 👤 William E Harshbarger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:45
CPC Classifications
H; H02; H02P; H02P7/00; H02P7/06; H02P7/18; H02P7/24; H02P7/28; H02P7/285; H02P7/29; B; B62; B62B; B62B3/00; B62B3/04; B62B3/06; B62B3/0612; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/07572; B66F9/20; G; G05; G05G; G05G11/00; B62B5/00; B62B5/06; B62B5/063; H01; H01H; H01H9/00; H01H9/02; H01H9/06; H01H2009/068
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |