US2625717A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple sheet glazing unit
Assignee: Libbey Owens Ford Glass Co
•
Filing: 1945-06-12
•
Granted: 1953-01-20
•
Expires: 1965-06-12
Abstract
No abstract record available.
Inventors
- 👤 Roy W Wampler
- 👤 Charles M Browne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:07
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/02; F24C15/04; E; E06; E06B; E06B3/00; E06B3/66; E06B3/663; E06B3/66309; E06B3/66342; E06B3/66347
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2150355A
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US2282831A
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US2303125A
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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) | 1956-01-20 | 1956-07-21 | 1957-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-20 | 1960-07-21 | 1961-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-20 | 1964-07-21 | 1965-01-20 | $7700.00 | Window Closed / Lapsed |