US3008933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interpolyesters of bibenzoic acid
Assignee: —
•
Filing: 1958-07-28
•
Granted: 1961-11-14
•
Expires: 1978-07-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:58
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/16; C08G63/18; C08G63/181; C08G63/185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A FILAMENT AND FLIM FORMING LINEAR INTERPOLYESTER MELTING ABOVE 140*C. OF COMPONENTS CONSISTING ESSENTIALLY OF A MIXTURE OF DICARBOXYLIC ACIDS AND AT LEAST TWO MOLS PER MOL OF MIXED ACIDS OF A GLYCOL HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
37 words
A FILAMENT AND FLIM FORMING LINEAR INTERPOLYESTER MELTING ABOVE 140*C. OF COMPONENTS CONSISTING ESSENTIALLY OF A MIXTURE OF DICARBOXYLIC ACIDS AND AT LEAST TWO MOLS PER MOL OF MIXED ACIDS OF A GLYCOL HAVING THE GENERAL FORMULA
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) | 1964-11-13 | 1965-05-15 | 1965-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-13 | 1969-05-15 | 1969-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-13 | 1973-05-15 | 1973-11-14 | $7700.00 | Window Closed / Lapsed |