US2641004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing knitted shoe uppers of shrinkable yarn
Assignee: Individual
•
Filing: 1950-12-26
•
Granted: 1953-06-09
•
Expires: 1970-12-26
Abstract
No abstract record available.
Inventors
- 👤 David V Whiting
- 👤 John S Ronyan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:59
CPC Classifications
B; B29; B29D; B29D35/00; B29D35/12; B29D35/126; A; A43; A43B; A43B1/00; A43B1/02; A43B1/028; A43B1/04; B29C; B29C61/00; B29C61/02; B29C61/06; B29C61/0608; B29C61/0658; D; D04; D04B; D04B1/00; D04B1/22; D04B1/24; D04B1/26; B29K; B29K2101/00; B29K2101/10; B29K2313/00; B29L; B29L2031/00; B29L2031/48; B29L2031/50; D10; D10B; D10B2501/00; D10B2501/04; D10B2501/043; Y; Y10; Y10S; Y10S36/00; Y10S36/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190812786A
Cited
US1386654A
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US1910251A
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US2007262A
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US2335210A
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US2457630A
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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 |