US2831791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for processing glass
Assignee: PPG Industries Inc
•
Filing: 1953-07-29
•
Granted: 1958-04-22
•
Expires: 1973-07-29
Abstract
No abstract record available.
Inventors
- 👤 Daniel T Downes
- 👤 Faustin Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:29
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10807; B32B17/10816; B32B17/10825; B32B17/10862
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
77 words
APPARATUS FOR PRESSING BENT GLASS ASSEMBLIES, COMPRISING A SUPPORTING STRUCTURE, A PAIR OF SPACED HOUSINGS, A PAIR OF PRESSING ROLLS JOURNALED FOR ROTARY MOVEMENT ONLY UPON SAID SPACED HOUSINGS, AND EACH HOUSING BEING JOURNALED IN A SPHERICAL BEARING SUPPORT, EACH SUPPORT MOUNTED FOR SEPARATE VERTICAL MOVEMENT OF EACH HOUSING RELATIVE TO THE SUPPORTING STRUCTURE AND SAID HOUSINGS BEING MOUNTED TO THE BEARING SUPPORTS FOR ROTATION ABOUT AN AXIS PARALLEL TO THE AXES OF ROTATION OF SAID ROLLS.
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) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |