US2995869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing multiple sheet glazing units
Assignee: Libbey Owens Ford Glass Co
•
Filing: 1957-10-24
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Granted: 1961-08-15
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Expires: 1977-10-24
Abstract
No abstract record available.
Inventors
- 👤 Charles H Cowley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:41
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/18; A61N1/32; C; C03; C03B; C03B23/00; C03B23/20; C03B23/24; C03B23/245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1448351A
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US2701898A
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US2695477A
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US2697311A
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US2666963A
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US2761248A
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US2761249A
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US2688824A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |