US3565711A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for joining layers of a woven polyamidic material and for tipping the ends of a strip of such material
Assignee: Undergarment Assemblies Inc
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Filing: 1967-05-12
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Granted: 1971-02-23
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Expires: 1987-05-12
Abstract
Abstract SUPERPOSED PILES OF WOVEN POLYAMIDE-CONTAINING MATERIAL ARE PLACED ON A RIGID ANVIL AND ARE STRUCK BY A BLUNT TOOL IN ONE OR MORE LOCALIZED AREAS TO BOND TOGETHER THE PILES IN THOSE AREAS. A TIPPING OPERATION USES THIS INVENTION TO FORM A TIP ON A STRAP OF WOVEN POLYAMIDECONTAINING MATERIAL.
Inventors
- 👤 Charles Block
- 👤 Leon J Mintz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:08
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/002; B29C65/004; A; A41; A41F; A41F15/00; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/13; B29C66/137; B29C66/20; B29C66/21; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/70; B29C66/71; B29C66/72; B29C66/729; B29C53/00; B29C53/36; B29K; B29K2077/00; B29K2313/00; B29L; B29L2031/00; B29L2031/48; B29L2031/4871; B29L2031/4885; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1054; Y10T156/1056
Claims Analysis
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References Cited (Backward Citations)
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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) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |