US3054779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Para hydroxy alkyl aromatic carboxylic acids and polymers thereof
Assignee: Dow Chemical Co
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Filing: 1959-03-24
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Granted: 1962-09-18
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Expires: 1979-03-24
Abstract
No abstract record available.
Inventors
- 👤 Donald D Wheeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:28
CPC Classifications
C; C07; C07C; C07C255/00; C07C59/00; C07C59/40; C07C59/42; C07C59/48; C07C59/56; C08; C08G; C08G63/00; C08G63/02; C08G63/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A CHEMICAL COMPOUND FROM THE GROUP CONSISTING OF THOSE HAVING A FORMULA GIVEN BY THE FOLLOWINGD
Claim 2
Dependent Claim
16 words
A CHEMICAL COMPOUND FROM THE GROUP CONSISTING OF THOSE HAVING A FORMULA GIVEN BY THE FOLLOWINGD
References Cited (Backward Citations)
US2471023A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |