US2850844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for heating and bending glass sheets
Assignee: Libbey Owens Ford Glass Co
•
Filing: 1955-12-27
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Granted: 1958-09-09
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Expires: 1975-12-27
Abstract
No abstract record available.
Inventors
- 👤 White Gerald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:47
CPC Classifications
F; F24; F24H; F24H1/00; F24H1/18; F24H1/20; F24H1/201; F24H1/202; C; C03; C03B; C03B23/00; C03B23/02; C03B23/023; C03B23/03; C03B23/031; C03B29/00; C03B29/02; C03B29/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2145128A
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US2215041A
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US2292684A
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US2395727A
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US2442242A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |