US2722639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Winder motor control system
Assignee: General Electric Co
•
Filing: 1952-11-22
•
Granted: 1955-11-01
•
Expires: 1972-11-22
Abstract
No abstract record available.
Inventors
- 👤 George E Shaad
- 👤 Charles D Beck
- 👤 John C Gresham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:31
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/04; B65H23/18; B65H23/1806; B65H23/1813
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE20353E
Cited
US1920897A
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US2024708A
Cited
US2165127A
Cited
US2333978A
Cited
US2437973A
Cited
US2468557A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-31 | 1959-05-02 | 1959-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-31 | 1963-05-02 | 1963-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-31 | 1967-05-02 | 1967-11-01 | $7700.00 | Window Closed / Lapsed |