US2431465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fish machine
Assignee: Individual
•
Filing: 1941-11-17
•
Granted: 1947-11-25
•
Expires: 1961-11-17
Abstract
No abstract record available.
Inventors
- 👤 Andrew L Christiansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:45
CPC Classifications
A; A22; A22C; A22C25/00; A22C25/08; Y; Y10; Y10T; Y10T83/00; Y10T83/647; Y10T83/654
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US645862A
Cited
US939981A
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US1552463A
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US1693570A
Cited
US1632200A
Cited
DE464100C
Cited
US1710327A
Cited
FR763392A
Cited
US2166939A
Cited
US2086070A
Cited
US2304337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-24 | 1951-05-26 | 1951-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-24 | 1955-05-26 | 1955-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-24 | 1959-05-26 | 1959-11-25 | $7700.00 | Window Closed / Lapsed |