US2622040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making stretchable suede material
Assignee: National Automotive Fibres Inc
•
Filing: 1948-09-07
•
Granted: 1952-12-16
•
Expires: 1968-09-07
Abstract
No abstract record available.
Inventors
- 👤 Jr John G Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:15
CPC Classifications
B; B32; B32B; B32B38/00; B32B38/06; B32B2038/0052; B32B2038/0076; B32B2305/00; B32B2305/22; B32B2319/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
THE METHOD OF MAKING STRETCHABLE SUEDE MATERIAL COATED ON OPPOSITE SIDES WITH FLOCK WHICH COMPRISES PROVIDING AN ADHESIVE SHEET OF UNCURED SYNTHETIC RUBBER STRONGLY RESISTANT TO ALIPHATIC SOLVENTS AND CALENDERED ON ONE SIDE TO A REMOVABLE FABRIC LINER, DEPOSITING FLOCK ON THE SIDE OF THE ADHESIVE SHEET OPPOSITE SAID LINER, CURING SAID ADHESIVE SHEET, REMOVING THE FABRIC LINER FROM THE CURED RUBBER SHEET THEREBY FORMING A ROUGHENED SURFACE ON THE RUBBER SHEET, COATING SAID ROUGHENED SURFACE WITH AN ADHESIVE CEMENT COMPRISING NATURAL RUBBER IN AN ALIPHATIC SOLVENT, DEPOSITING FLOCK FIBERS ON THE ADHESIVE CEMENT, AND DRYING THE COATED SURFACE IN ORDER TO REMOVE THE ALIPHATIC SOLVENT.
Claim 2
Independent Claim
106 words
THE METHOD OF MAKING STRETCHABLE SUEDE MATERIAL COATED ON OPPOSITE SIDES WITH FLOCK WHICH COMPRISES PROVIDING AN ADHESIVE SHEET OF UNCURED SYNTHETIC RUBBER STRONGLY RESISTANT TO ALIPHATIC SOLVENTS AND CALENDERED ON ONE SIDE TO A REMOVABLE FABRIC LINER, DEPOSITING FLOCK ON THE SIDE OF THE ADHESIVE SHEET OPPOSITE SAID LINER, CURING SAID ADHESIVE SHEET, REMOVING THE FABRIC LINER FROM THE CURED RUBBER SHEET THEREBY FORMING A ROUGHENED SURFACE ON THE RUBBER SHEET, COATING SAID ROUGHENED SURFACE WITH AN ADHESIVE CEMENT COMPRISING NATURAL RUBBER IN AN ALIPHATIC SOLVENT, DEPOSITING FLOCK FIBERS ON THE ADHESIVE CEMENT, AND DRYING THE COATED SURFACE IN ORDER TO REMOVE THE ALIPHATIC SOLVENT.
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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) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |