Patent US2487254A successfully refreshed from Google Patents.
US2487254A
Expired / Lapsed
US
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Protective coatings for synthetic resin surfaces
Assignee: Uniroyal Inc
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Filing: 1948-04-07
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Granted: 1949-11-08
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Expires: 1968-04-07
Abstract
No abstract record available.
Inventors
- 👤 Paul L Mahoney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:37
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/20; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C09D129/00; C09D129/14; C08J2301/00; C08J2301/08; C08J2333/00; C08J2333/04; C08J2333/06; C08J2333/10; C08J2333/12; C08J2429/00
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) | 1952-11-07 | 1953-05-09 | 1953-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-07 | 1957-05-09 | 1957-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-07 | 1961-05-09 | 1961-11-08 | $7700.00 | Window Closed / Lapsed |