Patent US3093527A successfully refreshed from Google Patents.
US3093527A
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Method for treating glass sheets
Assignee: PPG Industries Inc
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Filing: 1960-11-23
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Granted: 1963-06-11
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Expires: 1980-11-23
Abstract
No abstract record available.
Inventors
- 👤 Robert W Wheeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:32
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10165; B32B17/10293; C; C03; C03B; C03B23/00; C03B23/02; C03B23/023; Y; Y02; Y02P; Y02P40/00; Y02P40/50; Y02P40/57
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
IN THE MTHOD OF MAKING A LAMINATED CURVED ASSEMBLY COMPRISING TWO GLASS SHEETS BONDED TO A PLASTIC INTERLAYER AND HAVING FOR EACH OF SAID GLASS SHEETS A CENTRAL PORTION AND END PORTION EXTENDING IN THE SAME DIRECTION FROM THE CENTRAL PORTION WITH A SMALL RADIUS OF CURVATURE BETWEEN THE CENTRAL PORTION THE END PORTIONS WHICH COMPRISES BENDING TOGETHER A SMALLER GLASS SHEET AND A LARGER GLASS SHEET BOTH CUT TO OUTLINE, PLACINT THERMOPLASTIC MATERIAL BETWEEN THE BENT GLASS SHEETS AND BONDING AT AN ELEVATED TEMPERATURE THE GLASS SHEETS TO THE THERMOPLASTIC MATERIAL BY THE APPLICATION OF AN ELEVATED PRESSURE, THE IMPROVEMENT COMPRISING SEAMING ONE FACE ONLY OF SAID SMALLER SHEET AT THE TIPS OF THE END PORTIONS OF THE SMALLER GLASS SHEET TO PROVIDE SEAMED SURFACE PORTIONS OF SAID FACE AT THE TIPS OF SAID SMALL SHEET AND PLACING SAID SMALLER FLASS SHEET AGAINST THE LARGER GLASS SHEET WITH SAID SEAMED SURFACE PORTIONS FACING SAID LARGER GLASS SHEET PRIOR TO SAID BENDING.
Claim 2
Dependent Claim
162 words
IN THE MTHOD OF MAKING A LAMINATED CURVED ASSEMBLY COMPRISING TWO GLASS SHEETS BONDED TO A PLASTIC INTERLAYER AND HAVING FOR EACH OF SAID GLASS SHEETS A CENTRAL PORTION AND END PORTION EXTENDING IN THE SAME DIRECTION FROM THE CENTRAL PORTION WITH A SMALL RADIUS OF CURVATURE BETWEEN THE CENTRAL PORTION THE END PORTIONS WHICH COMPRISES BENDING TOGETHER A SMALLER GLASS SHEET AND A LARGER GLASS SHEET BOTH CUT TO OUTLINE, PLACINT THERMOPLASTIC MATERIAL BETWEEN THE BENT GLASS SHEETS AND BONDING AT AN ELEVATED TEMPERATURE THE GLASS SHEETS TO THE THERMOPLASTIC MATERIAL BY THE APPLICATION OF AN ELEVATED PRESSURE, THE IMPROVEMENT COMPRISING SEAMING ONE FACE ONLY OF SAID SMALLER SHEET AT THE TIPS OF THE END PORTIONS OF THE SMALLER GLASS SHEET TO PROVIDE SEAMED SURFACE PORTIONS OF SAID FACE AT THE TIPS OF SAID SMALL SHEET AND PLACING SAID SMALLER FLASS SHEET AGAINST THE LARGER GLASS SHEET WITH SAID SEAMED SURFACE PORTIONS FACING SAID LARGER GLASS SHEET PRIOR TO SAID BENDING.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |