US2641025A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for drafting fibers
Assignee: Individual
•
Filing: 1947-10-29
•
Granted: 1953-06-09
•
Expires: 1967-10-29
Abstract
No abstract record available.
Inventors
- 👤 Jr John C Busby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:49
CPC Classifications
D; D01; D01H; D01H13/00; D01H13/04; D01H2700/00; D01H2700/247; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1549875A
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US1968861A
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US2153358A
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US2151273A
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FR872301A
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US2442880A
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US2542331A
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US2450409A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |