US2812632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Devices for detecting broken ends or strands on textile machinery
Assignee: Pneumafil Corp
•
Filing: 1953-03-10
•
Granted: 1957-11-12
•
Expires: 1973-03-10
Abstract
No abstract record available.
Inventors
- 👤 Jr John Tillett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:34
CPC Classifications
D; D01; D01H; D01H13/00; D01H13/14; D01H13/16; D01H13/1691; D01H13/1616; D01H13/1633; D01H13/1641
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2390799A
Cited
US2438365A
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US2531944A
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US2500343A
Cited
US2522250A
Cited
US2671199A
Cited
BE506610A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-11 | 1961-05-13 | 1961-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-11 | 1965-05-13 | 1965-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-11 | 1969-05-13 | 1969-11-12 | $7700.00 | Window Closed / Lapsed |