Patent US2968125A successfully refreshed from Google Patents.
US2968125A
Expired / Lapsed
US
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Apparatus for producing a multiple sheet glazing unit
Assignee: Libbey Owens Ford Glass Co
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Filing: 1955-04-12
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Granted: 1961-01-17
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Expires: 1975-04-12
Abstract
No abstract record available.
Inventors
- 👤 Charles H Cowley
- 👤 Harry N Dean
- 👤 Eldwin C Montgomery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:57
CPC Classifications
C; C03; C03B; C03B23/00; C03B23/20; C03B23/24; C03B23/245
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) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |