US2978784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making an air impervious sheet of rubberized cotton fabric
Assignee: Bridgestone Firestone Inc
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Filing: 1958-11-20
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Granted: 1961-04-11
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Expires: 1978-11-20
Abstract
No abstract record available.
Inventors
- 👤 Robert C Koch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:47
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; C08J2321/00; Y; Y10; Y10S; Y10S156/00; Y10S156/91; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10819; Y10T152/10828; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31942; Y10T428/31949
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A METHOD OF MAKING AN AIR IMPERVIOUS SHEET OF COTTON FABRIC CORDS COMPRISING THE STEPS OF DEWAXING COTTON CORD, SOAKING SAID CORD IN A WATER DISPERSION COMPRISED OF A POLYHYDRIC PHENOL AND AN ALDEHYDE AND A LATEX OF A TERPOLYMER COMPRISES OF A DIENED HYDROCARBON, AN AROMATIC SUBSTITUTED VINYL MONOMER, AND VINYL PYRIDINE FOR AT LEAST ONE MINUTE, SLOWING DRYING THE CORD AT A TEMPERATURE NOT EXCEEDING 200*F., AND FORMING SAID CORD INTO A FABRIC SHEET OF CORDS.
Claim 2
Independent Claim
78 words
A METHOD OF MAKING AN AIR IMPERVIOUS SHEET OF COTTON FABRIC CORDS COMPRISING THE STEPS OF DEWAXING COTTON CORD, SOAKING SAID CORD IN A WATER DISPERSION COMPRISED OF A POLYHYDRIC PHENOL AND AN ALDEHYDE AND A LATEX OF A TERPOLYMER COMPRISES OF A DIENED HYDROCARBON, AN AROMATIC SUBSTITUTED VINYL MONOMER, AND VINYL PYRIDINE FOR AT LEAST ONE MINUTE, SLOWING DRYING THE CORD AT A TEMPERATURE NOT EXCEEDING 200*F., AND FORMING SAID CORD INTO A FABRIC SHEET OF CORDS.
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) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |