Patent US4038040A successfully refreshed from Google Patents.
Patent US3277041A successfully refreshed from Google Patents.
US3277041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water resistant polyvinyl alcohol coatings
Assignee: Eastman Kodak Co
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Filing: 1963-05-15
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Granted: 1966-10-04
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Expires: 1983-05-15
Abstract
No abstract record available.
Inventors
- 👤 Albert L Sieg
- 👤 Merrill W Killick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:09
CPC Classifications
C; C09; C09D; C09D129/00; C09D129/02; C09D129/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
COMPOSITION CMPRISING POLYVINYL ALCOHOL CONTAININING SUFFICIENT 2,3-DIHYDROXY-1,4-DIOXANE TO ENHANCE ITS WATER RESISTANCE PROPERTIES.
Claim 2
Dependent Claim
13 words
COMPOSITION CMPRISING POLYVINYL ALCOHOL CONTAININING SUFFICIENT 2,3-DIHYDROXY-1,4-DIOXANE TO ENHANCE ITS WATER RESISTANCE PROPERTIES.
References Cited (Backward Citations)
US2481676A
Cited
US2591542A
Cited
GB675858A
Cited
US2752246A
Cited
US2870013A
Cited
US2992130A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |