US3041313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyspirane resins composition
Assignee: Shawinigan Resins Corp
•
Filing: 1958-04-16
•
Granted: 1962-06-26
•
Expires: 1978-04-16
Abstract
No abstract record available.
Inventors
- 👤 Lavin Edward
- 👤 Cohen Saul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:35
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/302; C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/56; C08L; C08L75/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A CROSSLINKED PRODUCT OF (A) A POLYSPIRANE RESIN HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
12 words
A CROSSLINKED PRODUCT OF (A) A POLYSPIRANE RESIN 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) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |