Patent US2893170A successfully refreshed from Google Patents.
US2893170A
Expired / Lapsed
US
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Method and apparatus for bending glass sheets
Assignee: Libbey Owens Ford Glass Co
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Filing: 1956-03-27
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Granted: 1959-07-07
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Expires: 1976-03-27
Abstract
No abstract record available.
Inventors
- 👤 Frank J Carson
- 👤 Jr Herbert A Leflet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:49
CPC Classifications
C; C03; C03B; C03B23/00; C03B23/02; C03B23/023; C03B23/025; C03B23/0258; C03B23/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2450297A
Cited
US2646647A
Cited
US2671987A
Cited
FR1087450A
Cited
FR1097088A
Cited
FR1089973A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-06 | 1963-01-05 | 1963-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-06 | 1967-01-05 | 1967-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-06 | 1971-01-05 | 1971-07-07 | $7700.00 | Window Closed / Lapsed |