Patent US2426825A successfully refreshed from Google Patents.
US2426825A
Expired / Lapsed
US
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Construction stage
Assignee: Individual
•
Filing: 1946-01-29
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Granted: 1947-09-02
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Expires: 1966-01-29
Abstract
No abstract record available.
Inventors
- 👤 Francis H Geary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:06
CPC Classifications
E; E06; E06C; E06C1/00; E06C1/02; E06C1/34; E06C1/345; E04; E04G; E04G3/00; E04G3/24; E04G3/26; E04G3/265; E06C7/00; E06C7/48; E06C7/488
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) | 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 |