US2425790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bed switch
Assignee: Individual
•
Filing: 1946-01-12
•
Granted: 1947-08-19
•
Expires: 1966-01-12
Abstract
No abstract record available.
Inventors
- 👤 Roland A Fletcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:55
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/06; H01H35/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US335223A
Cited
US1389365A
Cited
US1758546A
Cited
US2118320A
Cited
US2142599A
Cited
US2107888A
Cited
US2185051A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-18 | 1951-02-17 | 1951-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-18 | 1955-02-17 | 1955-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-18 | 1959-02-17 | 1959-08-19 | $7700.00 | Window Closed / Lapsed |