US2697675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated safety glass structures and method of making the same
Assignee: Libbey Owens Ford Glass Co
•
Filing: 1951-03-21
•
Granted: 1954-12-21
•
Expires: 1971-03-21
Abstract
No abstract record available.
Inventors
- 👤 Romey A Gaiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:54
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10165; B32B17/10174; B32B17/10293
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
IN A LAMINATED SAFETY GLASS UNIT COMPRISING AT LEAST ONE SHEET OF GLASS AND A LAYER OF NON-BRITTLE THERMOPLASTIC MATERIAL INTEGRALLY BONDED THERETO, A LAYER OF SEPARATING MATERIAL BETWEEN SAID GLASS AND SAID PLASTIC COVERING A MARGIN OF SAID GLASS SHEET AND EXTENDING OVER ONTO A CON-
Claim 2
Dependent Claim
47 words
IN A LAMINATED SAFETY GLASS UNIT COMPRISING AT LEAST ONE SHEET OF GLASS AND A LAYER OF NON-BRITTLE THERMOPLASTIC MATERIAL INTEGRALLY BONDED THERETO, A LAYER OF SEPARATING MATERIAL BETWEEN SAID GLASS AND SAID PLASTIC COVERING A MARGIN OF SAID GLASS SHEET AND EXTENDING OVER ONTO A CON-
References Cited (Backward Citations)
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US2270323A
Cited
US2303151A
Cited
US2576392A
Cited
US2567353A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |