US2457768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Styrene-oil soluble natural resindrying oil interpolymer
Assignee: Sherwin Williams Co
•
Filing: 1945-03-30
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Granted: 1948-12-28
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Expires: 1965-03-30
Abstract
No abstract record available.
Inventors
- 👤 James A Arvin
- 👤 Wayne B Gitchel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:01
CPC Classifications
C; C09; C09D; C09D125/00; C09D125/02; C09D125/04; C09D125/08; C09D125/14; C08; C08F; C08F212/00; C08F212/02; C08F212/04; C08F212/06; C08F212/08; C08F242/00; C09D11/00; C09D11/02; C09D11/10; C09D11/106
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2079926A
Cited
US1975959A
Cited
US1993028A
Cited
US2225534A
Cited
US2320724A
Cited
US2392710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-28 | 1952-06-28 | 1952-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-28 | 1956-06-28 | 1956-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-28 | 1960-06-28 | 1960-12-28 | $7700.00 | Window Closed / Lapsed |