US2760137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor control for synchronizing web feed
Assignee: RCA Corp
•
Filing: 1952-08-30
•
Granted: 1956-08-21
•
Expires: 1972-08-30
Abstract
No abstract record available.
Inventors
- 👤 Dallas R Andrews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:28
CPC Classifications
H; H02; H02P; H02P5/00; H02P5/46; H02P5/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2151570A
Cited
US2289737A
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US2429500A
Cited
US2538027A
Cited
US2536153A
Cited
US2591247A
Cited
US2676249A
Cited
US2569228A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |