US3004061A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyesters of benzene polycarboxylic acids with fluorinated alkanols
Assignee: EIDP Inc
•
Filing: 1957-12-02
•
Granted: 1961-10-10
•
Expires: 1977-12-02
Abstract
No abstract record available.
Inventors
- 👤 Donald R Baer
- 👤 Iii Charles D Ver Nooy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:49
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/68; C07; C07C; C07C69/00; C07C69/76; C10; C10M; C10M105/00; C10M105/50; C10M105/54; C10M2211/00; C10M2211/04; C10M2211/044; C10M2211/0445; C10N; C10N2020/00; C10N2020/01; C10N2020/02; C10N2030/00; C10N2030/02; C10N2030/06; C10N2030/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
10 words
A POLYESTER OF A BENZENE POLYCARBOXYLIC ACID HAVING THE FORMULA
Claim 2
Dependent Claim
10 words
A POLYESTER OF A BENZENE POLYCARBOXYLIC ACID HAVING THE FORMULA
Claim 3
Dependent Claim
10 words
A MIXTURE OF POLYESTERS EACH OF WHICH HAS THE FORMULA
Claim 4
Dependent Claim
10 words
A MIXTURE OF POLYESTERS EACH OF WHICH HAS THE FORMULA
References Cited (Backward Citations)
US2398882A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-09 | 1965-04-10 | 1965-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-09 | 1969-04-10 | 1969-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-09 | 1973-04-10 | 1973-10-10 | $7700.00 | Window Closed / Lapsed |