Patent US2649833A successfully refreshed from Google Patents.
US2649833A
Expired / Lapsed
US
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Manufacture of lines for racquets
Assignee: Ashaway Line and Twine Manufacturing Co
•
Filing: 1949-04-14
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Granted: 1953-08-25
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Expires: 1969-04-14
Abstract
No abstract record available.
Inventors
- 👤 Julian T Crandall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:15
CPC Classifications
D; D07; D07B; D07B1/00; D07B1/16; D07B1/162; A; A63; A63B; A63B51/00; A63B51/02; D07B1/02; D07B2201/00; D07B2201/20; D07B2201/2083; D07B2201/2087; D07B2201/2088; D07B2201/209; D07B2401/00; D07B2401/20; D07B2401/205; Y; Y10; Y10S; Y10S273/00; Y10S273/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2065606A
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US2091999A
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US2308825A
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US2257648A
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US2284728A
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US2313058A
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US2335644A
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US2401291A
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US2500332A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |