US2303091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall construction
Assignee: Libbey Owens Ford Glass Co
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Filing: 1939-09-11
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Granted: 1942-11-24
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Expires: 1959-09-11
Abstract
No abstract record available.
Inventors
- 👤 Erle T Putnam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:54
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0801; B; B28; B28B; B28B19/00; B28B19/0053; B28B23/00; E04B; E04B2/00; E04B2/02; E04B2/04; E04B2/06; E04B2/08; E04C; E04C1/00; E04C1/40; E04F13/0871; E04B2002/0202; E04B2002/0204; E04B2002/0208; E04B2002/0213; E04B2002/023; E04B2002/0243; E04B2002/0245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-11-23 | 1946-05-25 | 1946-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-11-23 | 1950-05-25 | 1950-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-11-23 | 1954-05-25 | 1954-11-24 | $7700.00 | Window Closed / Lapsed |