US2948645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for pressing laminated glass
Assignee: PPG Industries Inc
•
Filing: 1955-08-19
•
Granted: 1960-08-09
•
Expires: 1975-08-19
Abstract
No abstract record available.
Inventors
- 👤 Laurence A Keim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:44
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10807; B32B17/10816; B32B17/10871; B32B17/10009; B32B17/10036; B32B17/10165; B32B17/10293; B32B17/10302; B32B17/10825; B32B17/10834; B60; B60J; B60J1/00; B60J1/02; B60J10/00; B60J10/20; B60J10/26; B60J10/265; B60J10/30; B60J10/34; B60J10/70; B60R; B60R13/00; B60R13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
THE METHOD OF TREATING AN ASSEMBLY COMPRISING TWO MATCHED CURVED GLASS SHEETS AND A THERMOPLASTIC INTERLAYER TO BOND THE INTERLAYER TO THE GLASS SHEETS SUBSTANTIALLY THROUGHOUT THE ENTIRE AREA WHICH COMPRISES ENCLOSING THE PERIPHERY AND THE MARGIN ONLY OF THE ASSEMBLY WITH A FLEXIBLE CHANNEL-SHAPED MEMBER MADE OF A FLUID-IMPERVIOUS MATERIAL TO PLACE THE MEMBER IN ENGAGEMENT WITH A MARGINAL PORTIN OF THE OUTER SURFACES OF THE ASSEMBLY AND IN SPACED RELATION TO AT LEAST PART OF THE PERIPHERY OF THE ASSEMBLY TO PROVIDE A CONDUIT ADJACENT THE PERIPHERY OF THE INTERFACES BETWEEN THE INTERLAYER AND THE GLASS SHEETS, EVACUATING AIR FROM THE CONDUIT THOUGH THE MEMBER TO REMOVE AIR FROM BETWEEN
Claim 2
Independent Claim
112 words
THE METHOD OF TREATING AN ASSEMBLY COMPRISING TWO MATCHED CURVED GLASS SHEETS AND A THERMOPLASTIC INTERLAYER TO BOND THE INTERLAYER TO THE GLASS SHEETS SUBSTANTIALLY THROUGHOUT THE ENTIRE AREA WHICH COMPRISES ENCLOSING THE PERIPHERY AND THE MARGIN ONLY OF THE ASSEMBLY WITH A FLEXIBLE CHANNEL-SHAPED MEMBER MADE OF A FLUID-IMPERVIOUS MATERIAL TO PLACE THE MEMBER IN ENGAGEMENT WITH A MARGINAL PORTIN OF THE OUTER SURFACES OF THE ASSEMBLY AND IN SPACED RELATION TO AT LEAST PART OF THE PERIPHERY OF THE ASSEMBLY TO PROVIDE A CONDUIT ADJACENT THE PERIPHERY OF THE INTERFACES BETWEEN THE INTERLAYER AND THE GLASS SHEETS, EVACUATING AIR FROM THE CONDUIT THOUGH THE MEMBER TO REMOVE AIR FROM BETWEEN
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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) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |