Patent US3245938A successfully refreshed from Google Patents.
US3245938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyvinyl acetate emulsion size for treating glass
Assignee: Individual
•
Filing: 1963-03-07
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Granted: 1966-04-12
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Expires: 1983-03-07
Abstract
No abstract record available.
Inventors
- 👤 William J Dennis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:08
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C03C25/28; C09; C09J; C09J131/00; C09J131/02; C09J131/04; C08; C08L; C08L2666/00; C08L2666/28; C08L2666/44; Y; Y10; Y10S; Y10S524/00; Y10S524/91; Y10S524/911; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
AN ANTI-STATIC SIZE FOR GLASS FIBERS COMPRISING AS AN ADHESIVE AGENT AN AQUEOUS EMULSION OF POLYVINYL ACETATE WHICH HAS BEEN SUBJECTED TO THE ACTION OF A CHLORINECONTAINING STRONG ACID AT A PH OF LESS THAN 0.5 FOR FROM 10 MINUTES TO 24 HOURS WHEREBY TO ENHANCE THE ANTISTATIC PROPERTIES OF THE SIZE.
Claim 2
Dependent Claim
52 words
AN ANTI-STATIC SIZE FOR GLASS FIBERS COMPRISING AS AN ADHESIVE AGENT AN AQUEOUS EMULSION OF POLYVINYL ACETATE WHICH HAS BEEN SUBJECTED TO THE ACTION OF A CHLORINECONTAINING STRONG ACID AT A PH OF LESS THAN 0.5 FOR FROM 10 MINUTES TO 24 HOURS WHEREBY TO ENHANCE THE ANTISTATIC PROPERTIES OF THE SIZE.
References Cited (Backward Citations)
US2799598A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |