US3214390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric epoxides
Assignee: Hercules Powder Co
•
Filing: 1960-01-25
•
Granted: 1965-10-26
•
Expires: 1980-01-25
Abstract
No abstract record available.
Inventors
- 👤 Edwin J Vandenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:26
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C08; C08G; C08G65/00; C08G65/02; C08G65/04; C08G65/22; C10M2209/00; C10M2209/02; C10M2209/10; C10M2209/103; C10M2209/105; C10M2213/00; C10M2213/04; C10M2213/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
AS A NEW COMPOSITION OF MATTER A SOLID, RUBBERY, HOMOPOLYMER OF A GLYCIDYL ETHER HAVING THE FORMULA
Claim 2
Dependent Claim
17 words
AS A NEW COMPOSITION OF MATTER A SOLID, RUBBERY, HOMOPOLYMER OF A GLYCIDYL ETHER HAVING THE FORMULA
References Cited (Backward Citations)
GB477843A
Cited
US2743285A
Cited
US2971988A
Cited
US3024219A
Cited
US3135706A
Cited
US3135705A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |