US3437551A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of bonding thermoplastic film to polyurethane foam and product
Assignee: Bayer Corp
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Filing: 1964-09-15
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Granted: 1969-04-08
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Expires: 1984-09-15
Abstract
No abstract record available.
Inventors
- 👤 Irving L Marshack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:33
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/12; C08J5/124; B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/48; B29C65/4805; B29C65/481; B29C65/4815; 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; B29C66/45; B29C66/70; B29C66/71; B29C66/712; B29C66/72; B29C66/727; B29C66/80; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B32; B32B; B32B27/00; B29C65/24; B29C65/26; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056; Y10T156/1057; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249955; Y10T428/249958; Y10T428/249982
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1862633A
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GB821537A
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US3061460A
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US3002868A
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US3070476A
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US3264166A
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US3244573A
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US3257263A
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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) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |