Patent US2635973A successfully refreshed from Google Patents.
US2635973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for prepressing curved laminated safety glass
Assignee: Libbey Owens Ford Glass Co
•
Filing: 1950-03-09
•
Granted: 1953-04-21
•
Expires: 1970-03-09
Abstract
No abstract record available.
Inventors
- 👤 Rollin L Swindler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:15
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/36; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10807; B32B17/10816; B32B17/10825; B32B17/10862
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
IN APPARATUS FOR USE IN THE PRESSING OF CURVED GLASS-PLASTIC SANDWICHES, THREE PAIRS OF SUBSTANTIALLY HORIZONTALLY ALIGNED SPACED ROLLERS, MEANS ASSOCIATED WITH THE ROLLERS AND SYNCHRONIZED THEREWITH FOR RECEIVING THE SANDWICHES FROM ONE PAIR AND DELIVERING THEM TO THE NEXT PAIR, AND MEANS CARRIED BY THE PAIRS OF ROLLERS FOR SUCCESSIVELY AND SEPARATELY ENGAGING AND PRESSING DIFFERENT AREAS OF THE SANDWICH TRANSVERSELY THEREOF.
Claim 2
Dependent Claim
63 words
IN APPARATUS FOR USE IN THE PRESSING OF CURVED GLASS-PLASTIC SANDWICHES, THREE PAIRS OF SUBSTANTIALLY HORIZONTALLY ALIGNED SPACED ROLLERS, MEANS ASSOCIATED WITH THE ROLLERS AND SYNCHRONIZED THEREWITH FOR RECEIVING THE SANDWICHES FROM ONE PAIR AND DELIVERING THEM TO THE NEXT PAIR, AND MEANS CARRIED BY THE PAIRS OF ROLLERS FOR SUCCESSIVELY AND SEPARATELY ENGAGING AND PRESSING DIFFERENT AREAS OF THE SANDWICH TRANSVERSELY THEREOF.
References Cited (Backward Citations)
US1190698A
Cited
US1871982A
Cited
US1897862A
Cited
US1944277A
Cited
US2025115A
Cited
US2142445A
Cited
US2459295A
Cited
US2431353A
Cited
US2525980A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |