US3539482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soluble poly(etherurethane)s
Assignee: Goodrich Corp
•
Filing: 1967-09-20
•
Granted: 1970-11-10
•
Expires: 1987-09-20
Abstract
No abstract record available.
Inventors
- 👤 Floyd D Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:27
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/65; C08G18/66; C08G18/6666; C08G18/667; C08G18/6674; C08G18/40; C08G18/48; C08G18/4833; C08G2170/00; C08G2170/80; Y; Y10; Y10S; Y10S528/00; Y10S528/904
Claims Analysis
Total Claims: 0
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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) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |