US2949474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New unsaturated glycidyl ethers, polymers thereof and methods for producing them
Assignee: Rohm and Haas Co
•
Filing: 1956-02-06
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Granted: 1960-08-16
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Expires: 1976-02-06
Abstract
No abstract record available.
Inventors
- 👤 Guy C Murdoch
- 👤 Henry J Schneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:38
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/165; D06M13/175; C; C07; C07D; C07D331/00; C07D331/02; C08; C08F; C08F16/00; C08F16/12; C08F28/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF FORMULA 1
Claim 2
Dependent Claim
5 words
A COMPOUND OF FORMULA 1
References Cited (Backward Citations)
US2512996A
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US2687405A
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US2637713A
Cited
US2640037A
Cited
US2743285A
Cited
US2728781A
Cited
US2771461A
Cited
US2743261A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-16 | 1964-02-15 | 1964-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-16 | 1968-02-15 | 1968-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-16 | 1972-02-15 | 1972-08-16 | $7700.00 | Window Closed / Lapsed |