US2774926A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control circuits for electric trucks
Assignee: LEWIS-SHEPARD Co
•
Filing: 1952-08-29
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Granted: 1956-12-18
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Expires: 1972-08-29
Abstract
No abstract record available.
Inventors
- 👤 Wilbert M Gilman
- 👤 Peter F Gandolfo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:00
CPC Classifications
H; H02; H02P; H02P7/00; H02P7/06; H02P7/18
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) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |