US2747148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for reel motor with variable armature current and field flus
Assignee: Allis Chalmers Corp
•
Filing: 1951-09-08
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Granted: 1956-05-22
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Expires: 1971-09-08
Abstract
No abstract record available.
Inventors
- 👤 Robert M Peeples
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:05
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/04; B65H23/18; B65H23/195; B65H23/198
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1165788A
Cited
US2295395A
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US2363377A
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US2500753A
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US2550104A
Cited
US2468117A
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US2629845A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |