Patent US2646647A successfully refreshed from Google Patents.
US2646647A
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US
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Process and apparatus for bending and tempering glass
Assignee: Libbey Owens Ford Glass Co
•
Filing: 1948-09-10
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Granted: 1953-07-28
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Expires: 1968-09-10
Abstract
No abstract record available.
Inventors
- 👤 William P Bamford
- 👤 Joseph E Jendrisak
- 👤 White Gerald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:38
CPC Classifications
C; C03; C03B; C03B27/00; C03B27/04; C03B27/0404; C03B27/0408; C03B27/044; C03B27/0442; C03B27/0445
Claims Analysis
Total Claims: 0
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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) | 1956-07-27 | 1957-01-26 | 1957-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-27 | 1961-01-26 | 1961-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-27 | 1965-01-26 | 1965-07-28 | $7700.00 | Window Closed / Lapsed |