US2685406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fake box
Assignee: —
•
Filing: —
•
Granted: 1954-08-03
•
Expires: 1971-08-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:23
CPC Classifications
G; G07; G07B; G07B15/00; G07B15/02; G07F; G07F1/00; G07F1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1306195A
Cited
US1344841A
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US1344898A
Cited
US1372857A
Cited
US719459A
Cited
US914821A
Cited
US1356947A
Cited
US1738997A
Cited
US2338575A
Cited
US2338576A
Cited
US2474843A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-02 | 1958-02-01 | 1958-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-02 | 1962-02-01 | 1962-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-02 | 1966-02-01 | 1966-08-03 | $7700.00 | Window Closed / Lapsed |