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US2421817A
Expired / Lapsed
US
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Seamless hosiery
Assignee: INTERWOVEN STOCKING CO
•
Filing: 1945-01-03
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Granted: 1947-06-10
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Expires: 1965-01-03
Abstract
No abstract record available.
Inventors
- 👤 Paul L Thurston
- 👤 Welker Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:14
CPC Classifications
D; D04; D04B; D04B9/00; D04B9/12; D04B1/00; D04B1/22; D04B1/24; D04B1/26; D04B15/00; D04B15/32; D04B15/34; D04B9/42; D04B9/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2143630A
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US2144563A
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US2200207A
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US2283995A
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US2241901A
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US2289052A
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US2366124A
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US2375684A
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US2361280A
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US2375683A
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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) | 1950-06-09 | 1950-12-09 | 1951-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-09 | 1954-12-09 | 1955-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-09 | 1958-12-09 | 1959-06-10 | $7700.00 | Window Closed / Lapsed |