US3296218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of polyamides from substituted diprimary alcohols, ethers or esters and dinitriles
Assignee: Goodrich Corp
•
Filing: 1965-09-13
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Granted: 1967-01-03
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Expires: 1985-09-13
Abstract
No abstract record available.
Inventors
- 👤 Floyd L Ramp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:15
CPC Classifications
C; C08; C08G; C08G69/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A PROCESS FOR PREPARING A FIBER FORMING LINEAR POLYAMIDE WHICH COMPRISES REACTING SUBSTANTIALLY EQUIMOLAR AMOUNTS OF AT LEAST ONE MONOMER HAVING THE STRUCTURE
Claim 2
Dependent Claim
23 words
A PROCESS FOR PREPARING A FIBER FORMING LINEAR POLYAMIDE WHICH COMPRISES REACTING SUBSTANTIALLY EQUIMOLAR AMOUNTS OF AT LEAST ONE MONOMER HAVING THE STRUCTURE
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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |