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US3493523A
Expired / Lapsed
US
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Sensitization of latex foam rubber to gelation
Assignee: Polysar Ltd
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Filing: 1966-10-27
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Granted: 1970-02-03
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Expires: 1986-10-27
Abstract
No abstract record available.
Inventors
- 👤 Anthony G Fox
- 👤 Douglas G Walters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:51
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/0014; C08J9/0028; C08J9/28; C08J9/30; C08L; C08L21/00; C08J2201/00; C08J2201/04; C08J2201/05; C08J2201/0504; C08J2321/00
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) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |