US2920989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for preparing composite assemblies
Assignee: PPG Industries Inc
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Filing: 1955-10-24
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Granted: 1960-01-12
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Expires: 1975-10-24
Abstract
No abstract record available.
Inventors
- 👤 Carl J Cochran
- 👤 Paul C Lawson
- 👤 Thomas G Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:39
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10807; B32B17/10899; B32B17/10954; B32B17/10009; B32B17/10036; B32B17/1055; B32B17/10761; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1744
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
AN APPARATUS FOR PREPARING A COMPOSITE ASSEMBLY COMPRISING TWO MATCHED CURVED SHEETS OF GLASS AND A TERMOPLASTIC INTERLAYER, WHICH COMPRISES A CARRIAGE, A SUPPORTING STRUCTURE, CONVEYOR MEANS MOUNTED ON THE SUPPORTING STRUCTURE FOR MOVING THE CARRIAGE, A FIRST VACUUM CUP MOUTNED ON THE CARRIAGE TO SUPPORT A PAIR OF MATCHED CURVED GLASS SHEETS, A FIRST VACUUM-CUP-ACTUATING MEANS TO SECURE THE FIRST VACUUM CUP TO THE UNDERSURFACE OF THE SUPPORTED PAIR OF MATCHED SHEETS, A SUPPORT, A SECOND VACUUM CUP MOUNTED ON THE SUPPORT, SAID SUPPORT BEING MOVABLY MOUNTED ON THE CARRIAGE TO MOVE THE SECOND VACUUM CUP FROM A FIRST POSITION AWAY FROM THE TOP SURFACE OF THE PAIR OF MATCHED SHEETS TO A SECOND POSITION IN CONTACT WITH SAID TOP SURFACE, A SECOND VACUUM-CUP-ACTUATING MEANS TO SECURE THE SECOND VACUUM CUP TO THE TOP SURFACE OF THE SUPPORTED PAIR OF MATCHED SHEETS, AND MEANS MOUNTED ON THE SUPPORTING STRUCTURE FOR MOVING SAID SUPPORT DURING ACTUATION OF SAID SECOND VACUUM CUP.
Claim 2
Independent Claim
161 words
AN APPARATUS FOR PREPARING A COMPOSITE ASSEMBLY COMPRISING TWO MATCHED CURVED SHEETS OF GLASS AND A TERMOPLASTIC INTERLAYER, WHICH COMPRISES A CARRIAGE, A SUPPORTING STRUCTURE, CONVEYOR MEANS MOUNTED ON THE SUPPORTING STRUCTURE FOR MOVING THE CARRIAGE, A FIRST VACUUM CUP MOUTNED ON THE CARRIAGE TO SUPPORT A PAIR OF MATCHED CURVED GLASS SHEETS, A FIRST VACUUM-CUP-ACTUATING MEANS TO SECURE THE FIRST VACUUM CUP TO THE UNDERSURFACE OF THE SUPPORTED PAIR OF MATCHED SHEETS, A SUPPORT, A SECOND VACUUM CUP MOUNTED ON THE SUPPORT, SAID SUPPORT BEING MOVABLY MOUNTED ON THE CARRIAGE TO MOVE THE SECOND VACUUM CUP FROM A FIRST POSITION AWAY FROM THE TOP SURFACE OF THE PAIR OF MATCHED SHEETS TO A SECOND POSITION IN CONTACT WITH SAID TOP SURFACE, A SECOND VACUUM-CUP-ACTUATING MEANS TO SECURE THE SECOND VACUUM CUP TO THE TOP SURFACE OF THE SUPPORTED PAIR OF MATCHED SHEETS, AND MEANS MOUNTED ON THE SUPPORTING STRUCTURE FOR MOVING SAID SUPPORT DURING ACTUATION OF SAID SECOND VACUUM CUP.
References Cited (Backward Citations)
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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) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |