US2815941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feed and grain mixing machine
Assignee: Individual
•
Filing: 1955-07-29
•
Granted: 1957-12-10
•
Expires: 1975-07-29
Abstract
No abstract record available.
Inventors
- 👤 Schmale Henry William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:03
CPC Classifications
A; A01; A01K; A01K5/00; A01K5/001; A01K5/004; B; B01; B01F; B01F33/00; B01F33/50; B01F33/502; B01F33/80; B01F33/836; B01F33/8361; B01F33/83613; B01F2101/00; B01F2101/06; B01F2101/18; B01F27/00; B01F27/05; B01F27/11; B01F27/114; B01F27/23; B01F27/232; B01F27/2321; Y; Y10; Y10S; Y10S366/00; Y10S366/603
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1770552A
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US1720360A
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US1985888A
Cited
US2222380A
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US2297867A
Cited
US2517456A
Cited
US2557344A
Cited
US2546747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-09 | 1961-06-10 | 1961-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-09 | 1965-06-10 | 1965-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-09 | 1969-06-10 | 1969-12-10 | $7700.00 | Window Closed / Lapsed |