US2465130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of setting twist in threads or yarns
Assignee: RCA Corp
•
Filing: 1945-05-30
•
Granted: 1949-03-22
•
Expires: 1965-05-30
Abstract
No abstract record available.
Inventors
- 👤 Theodore H Story
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:16
CPC Classifications
D; D06; D06C; D06C7/00; D06C2700/00; D06C2700/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2251962A
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US1815027A
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US2020907A
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US2207229A
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US2295593A
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US2325652A
Cited
US2340051A
Cited
US2421335A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-21 | 1952-09-20 | 1953-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-21 | 1956-09-20 | 1957-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-21 | 1960-09-20 | 1961-03-22 | $7700.00 | Window Closed / Lapsed |