US2606844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating cotton cord
Assignee: Goodrich Corp
•
Filing: 1947-10-29
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Granted: 1952-08-12
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Expires: 1967-10-29
Abstract
No abstract record available.
Inventors
- 👤 Matthew W Wilson
- 👤 Edward T Lessig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:43
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; C08J2321/00; Y; Y10; Y10S; Y10S57/00; Y10S57/902
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
57 words
A METHOD OF MANUFACTURING COTTON CORD FOR REINFORCING RUBBER MATERIAL WHICH COMPRISES IMPREGNATING SAID CORD WITH A 1 TO 5% BY WEIGHT AQUEOUS SOLUTION OF ROSIN AMINE ACETATE AND DRYING THE IMPREGNATED CORD AT A TEMPERATURE OF FROM 225* F. TO 310* F. WHILE MAINTAINING SAID CORD AT A TENSION FROM 0.2 TO 1.0 GRAM PER DENIER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-12 | 1956-02-11 | 1956-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-12 | 1960-02-11 | 1960-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-12 | 1964-02-11 | 1964-08-12 | $7700.00 | Window Closed / Lapsed |