Patent US2022456A successfully refreshed from Google Patents.
Patent US3055766A successfully refreshed from Google Patents.
US3055766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air drying, film forming compositions
Assignee: EIDP Inc
•
Filing: 1959-11-13
•
Granted: 1962-09-25
•
Expires: 1979-11-13
Abstract
No abstract record available.
Inventors
- 👤 Reinhardt Heinz Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:26
CPC Classifications
C; C09; C09D; C09D137/00; C07; C07D; C07D317/00; C07D317/08; C07D317/10; C07D317/12; C08; C08F; C08F24/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
AN AIR-DRYING FILM-FORMING COMPOSITION CONSISTING ESSENTIALLY OF (A) AN UNSTURATED DIOXOLANE HAVING THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
15 words
AN AIR-DRYING FILM-FORMING COMPOSITION CONSISTING ESSENTIALLY OF (A) AN UNSTURATED DIOXOLANE HAVING THE STRUCTURAL 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) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |