US2958614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resin coatings for glass materials
Assignee: GAF Chemicals Corp
•
Filing: 1955-06-16
•
Granted: 1960-11-01
•
Expires: 1975-06-16
Abstract
No abstract record available.
Inventors
- 👤 William M Perry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:04
CPC Classifications
C; C08; C08F; C08F226/00; C08F226/06; C08F226/10; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C03C25/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
THE PROCESS OF SIZING A GLASS SURFACE WHICH COMPRISES APPLYING TO SAID SURFACE A UNIFORM COATING OF A COMPOSITION CONSISTING OF A 5 TO 15% SOLUTION OF A COPOLYMER OF 90-5% BY WEIGHT OF A VINYL HALIDE AND 1095% BY WEIGHT OF N-VINYL-PYRROLIDONE HAVING THE FOLLOWING GENERAL FORMULA:
Claim 2
Dependent Claim
48 words
THE PROCESS OF SIZING A GLASS SURFACE WHICH COMPRISES APPLYING TO SAID SURFACE A UNIFORM COATING OF A COMPOSITION CONSISTING OF A 5 TO 15% SOLUTION OF A COPOLYMER OF 90-5% BY WEIGHT OF A VINYL HALIDE AND 1095% BY WEIGHT OF N-VINYL-PYRROLIDONE HAVING THE FOLLOWING GENERAL FORMULA:
References Cited (Backward Citations)
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US2695895A
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US2665271A
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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) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |