US2687689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile fiber treating apparatus
Assignee: West Point Manufacturing Co
•
Filing: 1951-09-21
•
Granted: 1954-08-31
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Expires: 1971-09-21
Abstract
No abstract record available.
Inventors
- 👤 Howard M Waddle
- 👤 Gibson O Etchison
- 👤 Herman A Gibson
- 👤 Edgar H Granberry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:54
CPC Classifications
D; D06; D06B; D06B1/00; D06B1/02; D01; D01G; D01G29/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1120730A
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US1004045A
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US1825526A
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US2169667A
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US2314860A
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US2453527A
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US2565422A
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US2504279A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |