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Patent US3454418A successfully refreshed from Google Patents.
US3454418A
Expired / Lapsed
US
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Coating compositions containing styrene-allyl alcohol copolymer,epoxy resin,and phenol formaldehyde
Assignee: Lubrizol Corp
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Filing: 1967-04-17
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Granted: 1969-07-08
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Expires: 1987-04-17
Abstract
No abstract record available.
Inventors
- 👤 John W Forsberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:40
CPC Classifications
C; C08; C08L; C08L63/00; C09; C09D; C09D129/00; C09D129/02; C09D129/06; C09D129/08; C09D161/00; C09D161/04; C09D161/06; C09D163/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31515; Y10T428/31522; Y10T428/31678; Y10T428/31688; Y10T428/31844
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3133838A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |