US3427255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid compositions from maleic anhydride and carboxyl-terminated compositions
Assignee: Individual
•
Filing: 1966-11-15
•
Granted: 1969-02-11
•
Expires: 1986-11-15
Abstract
No abstract record available.
Inventors
- 👤 Leslie C Case
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:10
CPC Classifications
C; C08; C08L; C08L63/00; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/42; C08G59/4207; C08G59/4246; C08G59/4269; C08L67/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2947717A
Cited
US3280077A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |