US2501988A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the treatment of fabric, yarns, threads, strands, and the like to render rubberized articles made therefrom more durable
Assignee: Lea Fabrics Inc
•
Filing: 1946-05-17
•
Granted: 1950-03-28
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Expires: 1966-05-17
Abstract
No abstract record available.
Inventors
- 👤 Malcolm R Buffington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:22
CPC Classifications
D; D04; D04H; D04H11/00; D04H11/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A METHOD OR THE MANUFACTURE OF A RUBBERIZED ARTICLE WHICH COMPRISES TREATING A FABRIC WITH A SOLUTION OF METHYL CELLULOSE SO AS TO PENETRATE THE THREADS THEREOF WITHOUT CLOGGING THE MESHES OF THE FABRIC WHEN DRIED, DRYING THE FABRIC, IMPREGNATING THE FABRIC WITH A RUBBER CEMENT COMPOSITION AND VULCANIZING THE RUBBER.
Claim 2
Independent Claim
51 words
A METHOD OR THE MANUFACTURE OF A RUBBERIZED ARTICLE WHICH COMPRISES TREATING A FABRIC WITH A SOLUTION OF METHYL CELLULOSE SO AS TO PENETRATE THE THREADS THEREOF WITHOUT CLOGGING THE MESHES OF THE FABRIC WHEN DRIED, DRYING THE FABRIC, IMPREGNATING THE FABRIC WITH A RUBBER CEMENT COMPOSITION AND VULCANIZING THE RUBBER.
References Cited (Backward Citations)
US1045346A
Cited
US1784552A
Cited
US1970578A
Cited
US2010061A
Cited
US2107852A
Cited
US2235798A
Cited
US2400533A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-27 | 1953-09-26 | 1954-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-27 | 1957-09-26 | 1958-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-27 | 1961-09-26 | 1962-03-28 | $7700.00 | Window Closed / Lapsed |