US3027288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing glass-plastic laminates
Assignee: PPG Industries Inc
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Filing: 1960-11-23
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Granted: 1962-03-27
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Expires: 1980-11-23
Abstract
No abstract record available.
Inventors
- 👤 Leroy D Keslar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:18
CPC Classifications
B; B29; B29C; B29C37/00; B29C37/006; B29C37/0064; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10009; B32B17/10036; B32B17/10807; B32B17/10816; B32B17/10825; B32B17/10834; B32B17/10844; B32B17/10853
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A METHOD OF PRODUCING A LAMINATED ASSEMBLY COMPRISING AT LEAST TWO SHEETS OF GLASS AND AT LEAST ONE INTERLAYER OF PLASTIC MATERIAL, SAID ASSEMBLY HAVING THIN EXTERIOR BOWED TEMPERED GLASS SHEETS, COMPRISING APPLYING RIGID GLASS PRESSING PLATES HAVING AT LEAST ABOUT TWICE THE THICKNESS OF THE THIN EXTERIOR BOWED SHEETS WITH FLAT FACES OF THE PLATES AGAINST THE LATTER, INSERTING THE AS-
Claim 2
Independent Claim
62 words
A METHOD OF PRODUCING A LAMINATED ASSEMBLY COMPRISING AT LEAST TWO SHEETS OF GLASS AND AT LEAST ONE INTERLAYER OF PLASTIC MATERIAL, SAID ASSEMBLY HAVING THIN EXTERIOR BOWED TEMPERED GLASS SHEETS, COMPRISING APPLYING RIGID GLASS PRESSING PLATES HAVING AT LEAST ABOUT TWICE THE THICKNESS OF THE THIN EXTERIOR BOWED SHEETS WITH FLAT FACES OF THE PLATES AGAINST THE LATTER, INSERTING THE AS-
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-26 | 1965-09-25 | 1966-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-26 | 1969-09-25 | 1970-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-26 | 1973-09-25 | 1974-03-27 | $7700.00 | Window Closed / Lapsed |