US2746210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing filmed and tempered glass sheets
Assignee: Libbey Owens Ford Glass Co
•
Filing: 1952-12-06
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Granted: 1956-05-22
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Expires: 1972-12-06
Abstract
No abstract record available.
Inventors
- 👤 Romey A Gaiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:53
CPC Classifications
G; G01; G01J; G01J3/00; G01J3/02; G01J3/06; C; C03; C03B; C03B27/00; C03B27/04; C03B27/052; C03C; C03C17/00; C03C17/22; C03C17/23; C03C17/25; C03C23/00; C03C23/007
Claims Analysis
Total Claims: 0
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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) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |