Patent US3041319A successfully refreshed from Google Patents.
US3041319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymers of hydroxyalkyl vinylbenzyl ethers
Assignee: Monsanto Chemicals Ltd
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Filing: 1960-03-25
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Granted: 1962-06-26
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Expires: 1980-03-25
Abstract
No abstract record available.
Inventors
- 👤 John G Abramo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:48
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/52; C08F220/54; C08F220/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
SYNTHETIC POLYMER MATERIALS COMPRISING IN POLYMERIZED FORM (A) HYDROXYALKYL VINYLBENZYTL ETHERS HAVING THE STRUCTURE:
Claim 2
Dependent Claim
14 words
SYNTHETIC POLYMER MATERIALS COMPRISING IN POLYMERIZED FORM (A) HYDROXYALKYL VINYLBENZYTL ETHERS HAVING THE STRUCTURE:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |