US2672290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Value setting and registering
Assignee: —
•
Filing: —
•
Granted: 1954-03-16
•
Expires: 1971-03-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:47
CPC Classifications
G; G07; G07B; G07B17/00; G07B17/00459; G07B17/00508; G07B17/00185; G07B17/00362
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2005038A
Cited
US2306499A
Cited
US2321425A
Cited
US2482935A
Cited
US781364A
Cited
US774910A
Cited
US1431286A
Cited
US1471105A
Cited
US2141119A
Cited
CH185555A
Cited
US2488143A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-15 | 1957-09-14 | 1958-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-15 | 1961-09-14 | 1962-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-15 | 1965-09-14 | 1966-03-16 | $7700.00 | Window Closed / Lapsed |