Patent US3440188A successfully refreshed from Google Patents.
US3440188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous-based polish comprising ethylene acrylate ester copolymer and homopolymer or copolymer of styrene and/or acrylate esters
Assignee: Gulf Oil Corp
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Filing: 1966-01-10
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Granted: 1969-04-22
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Expires: 1986-01-10
Abstract
No abstract record available.
Inventors
- 👤 Donald L Burdick
- 👤 Harold D Lyons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:40
CPC Classifications
C; C09; C09G; C09G1/00; C09G1/06; C09G1/14; C09G1/16; C09D; C09D125/00; C09D125/02; C09D125/04; C08; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2957847A
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US2791600A
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US3035011A
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US2928797A
Cited
US2964487A
Cited
US3156666A
Cited
FR1425907A
Cited
US3297784A
Cited
US3350329A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |