US2525980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Press for laminating safety glass
Assignee: Libbey Owens Ford Glass Co
•
Filing: 1948-11-19
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Granted: 1950-10-17
•
Expires: 1968-11-19
Abstract
No abstract record available.
Inventors
- 👤 Emmett L Walters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:03
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: 0
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References Cited (Backward Citations)
US1801270A
Cited
US1656828A
Cited
US1938216A
Cited
US2059578A
Cited
US2202670A
Cited
US2334651A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |