Patent US2668296A successfully refreshed from Google Patents.
US2668296A
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Bias woven narrow fabric
Assignee: Backstay Welt Co
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Filing: 1950-07-21
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Granted: 1954-02-09
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Expires: 1970-07-21
Abstract
No abstract record available.
Inventors
- 👤 Herman P Welch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:06
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/01; B29C66/03; B29C66/038; B29C66/032; B29C66/0324; B29C66/05; B29C66/10; B29C66/13; B29C66/135; B29C66/1352; B29C66/40; B29C66/41; B29C66/43; B29C66/432; B29C66/4322; B29C66/4329; D; D06; D06H; D06H5/00; D06H5/003; D06H5/005; D06H5/006; B29C65/00; B29C65/48; B29C65/4805; B29C65/481; B29C65/482; B29C65/56; B29C65/62; B29C66/11; B29C66/112; B29C66/1122; B29K; B29K2313/00; B29K2313/02; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1008; Y10T156/1013; Y10T156/1052; Y10T428/00; Y10T428/24; Y10T428/24033; Y10T428/24041; Y10T428/2405; Y10T428/2419
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-08 | 1957-08-10 | 1958-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-08 | 1961-08-10 | 1962-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-08 | 1965-08-10 | 1966-02-09 | $7700.00 | Window Closed / Lapsed |