US3531347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for bonding battings of cross-lapped webs of continuous filaments
Assignee: Celanese Corp
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Filing: 1966-08-25
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Granted: 1970-09-29
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Expires: 1986-08-25
Abstract
No abstract record available.
Inventors
- 👤 Robert L Stultz Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:27
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/22; B32B5/24; B32B5/26; D; D04; D04H; D04H1/00; D04H1/70; D04H1/74; B29; B29C; B29C65/00; B29C65/48; B29C65/78; B29C65/7858; B29C65/7888; B29C65/7894; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/80; B29C66/83; B29C66/836; B32B37/00; B32B37/12; B32B5/02; B32B5/022; B32B7/00; B32B7/04; B32B7/12; B29C65/4805; B29C65/481; B29C65/482; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1015
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3255064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-28 | 1974-03-30 | 1974-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-28 | 1978-03-30 | 1978-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-28 | 1982-03-30 | 1982-09-29 | $7700.00 | Window Closed / Lapsed |