US2825671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressing apparatus for glass laminates
Assignee: PPG Industries Inc
•
Filing: 1954-12-22
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Granted: 1958-03-04
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Expires: 1974-12-22
Abstract
No abstract record available.
Inventors
- 👤 Victor K Langhart
- 👤 Charles O Huffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:30
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10807; B32B17/10816; B32B17/10825; B32B17/10862; B32B17/10009; B32B17/10036
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
APPARATUS FOR THE PRESSING OF BENT LAMINATED ASSEMBLIES COMPRISING TWO MATCHED SHELTS OF CURVED GLASS AND A THERMOPLASTIC INTERLAYER, SAID APPARATUS COMPRISING A FIXED HOUSING, A PAIR OF SPACED SUPPORTING MEMBERS MOUNTED EACH FOR SEPARATE HORIZONTAL AND VERTICAL MOVEMENT RELATIVE TO THE FIXED HOUSING, A ROLL HOUSING ROTATABLY MOUNTED TO THE PAIR OF SPACED SUPPORTING MEMBERS, A PAIR OF YIELDABLE, OPPOSING ROLLS ROTATABLY MOUNTED IN SAID ROL HOUSING FOR FRICTIONAL ENGAGEMENT AGAINST OPPOSITE SURFACE OF THE ASSEMBLIES, MEANS FOR SEPARATELY MOVING THE PAIR OF SPACED SUPPORTING MEMBERS IN A HORIZONTAL DIRECTION RELATIVE TO THE FIXED HOUSING, MEANS FOR SEPARATELY MOVING THE PAIR OF SPACED SUPPORTINT MEMBERS IN A VERTICAL DIRECTION RELATIVE TO THE FIXED HOUSING, AND MEANS FOR DRIVING AT LEAST ONE OF THE ROLLS.
Claim 2
Dependent Claim
125 words
APPARATUS FOR THE PRESSING OF BENT LAMINATED ASSEMBLIES COMPRISING TWO MATCHED SHELTS OF CURVED GLASS AND A THERMOPLASTIC INTERLAYER, SAID APPARATUS COMPRISING A FIXED HOUSING, A PAIR OF SPACED SUPPORTING MEMBERS MOUNTED EACH FOR SEPARATE HORIZONTAL AND VERTICAL MOVEMENT RELATIVE TO THE FIXED HOUSING, A ROLL HOUSING ROTATABLY MOUNTED TO THE PAIR OF SPACED SUPPORTING MEMBERS, A PAIR OF YIELDABLE, OPPOSING ROLLS ROTATABLY MOUNTED IN SAID ROL HOUSING FOR FRICTIONAL ENGAGEMENT AGAINST OPPOSITE SURFACE OF THE ASSEMBLIES, MEANS FOR SEPARATELY MOVING THE PAIR OF SPACED SUPPORTING MEMBERS IN A HORIZONTAL DIRECTION RELATIVE TO THE FIXED HOUSING, MEANS FOR SEPARATELY MOVING THE PAIR OF SPACED SUPPORTINT MEMBERS IN A VERTICAL DIRECTION RELATIVE TO THE FIXED HOUSING, AND MEANS FOR DRIVING AT LEAST ONE OF THE ROLLS.
References Cited (Backward Citations)
US2601794A
Cited
US2525980A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-03 | 1961-09-02 | 1962-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-03 | 1965-09-02 | 1966-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-03 | 1969-09-02 | 1970-03-04 | $7700.00 | Window Closed / Lapsed |