US2446827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scoop and trip mechanism therefor
Assignee: Olson Manufacturing Co
•
Filing: 1946-01-29
•
Granted: 1948-08-10
•
Expires: 1966-01-29
Abstract
No abstract record available.
Inventors
- 👤 Howard E Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:07
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/40; E02F3/401; E02F3/34; E02F3/3417
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2341945A
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US2357954A
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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) | 1951-08-10 | 1952-02-09 | 1952-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-10 | 1956-02-09 | 1956-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-10 | 1960-02-09 | 1960-08-10 | $7700.00 | Window Closed / Lapsed |