US2426689A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1945-05-19
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Granted: 1947-09-02
•
Expires: 1965-05-19
Abstract
No abstract record available.
Inventors
- 👤 Grover C Hilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:50
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/10; A47F5/11; A47F5/112; B; B65; B65D; B65D71/00; B65D71/0003; B65D71/0029; B65D71/0033; B65D2571/00; B65D2571/00123; B65D2571/00246; B65D2571/00253; B65D2571/0029; B65D2571/00308; B65D2571/00314; B65D2571/00333; B65D2571/00339; B65D2571/00432; B65D2571/00456; B65D2571/00475; B65D2571/00487; B65D2571/00648; B65D2571/00654; B65D2571/0066; B65D2571/00709; B65D2571/00716
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1950-09-01 | 1951-03-03 | 1951-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-01 | 1955-03-03 | 1955-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-01 | 1959-03-03 | 1959-09-02 | $7700.00 | Window Closed / Lapsed |