Patent US4880494A successfully refreshed from Google Patents.
Patent US2677918A successfully refreshed from Google Patents.
US2677918A
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US
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Apparatus for bending and tempering sheets of glass
Assignee: Compagnie de Saint Gobain SA
•
Filing: 1949-04-29
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Granted: 1954-05-11
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Expires: 1969-04-29
Abstract
No abstract record available.
Inventors
- 👤 Bird George William Terence
- 👤 Dennett John
- 👤 Edward M S Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:23
CPC Classifications
C; C03; C03B; C03B27/00; C03B27/04; C03B27/0404; C03B23/00; C03B23/02; C03B23/023; C03B23/03; C03B23/031; C03B27/052
Claims Analysis
Total Claims: 0
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Cited
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US2411701A
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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) | 1957-05-10 | 1957-11-09 | 1958-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-10 | 1961-11-09 | 1962-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-10 | 1965-11-09 | 1966-05-11 | $7700.00 | Window Closed / Lapsed |