US3025267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroxyalkylvinyl ether-ethylene copolymer
Assignee: Monsanto Chemicals Ltd
•
Filing: 1958-08-18
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Granted: 1962-03-13
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Expires: 1978-08-18
Abstract
No abstract record available.
Inventors
- 👤 John D Calfee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:03
CPC Classifications
C; C08; C08F; C08F16/00; C08F16/12; C08F10/00; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/62; C08G18/6204; C08G18/6212; C08L; C08L29/00; C08L29/10; C08L23/00; C08L23/02; C08L23/04; C08L23/08; C08L23/0846; C08L2312/00; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2998
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
A NORMALLY-SOLID COPOLYMER OF ETHYLENE AND AN HYDROXYALKVINYL ETHER IN WHICH THE ALKYL GROUP HAS 2 TO 6 CARBON ATOMS.
Claim 2
Dependent Claim
20 words
A NORMALLY-SOLID COPOLYMER OF ETHYLENE AND AN HYDROXYALKVINYL ETHER IN WHICH THE ALKYL GROUP HAS 2 TO 6 CARBON ATOMS.
References Cited (Backward Citations)
CA486097A
Cited
US2467234A
Cited
US2669754A
Cited
US2691646A
Cited
US2768154A
Cited
US2828220A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |