US2512175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for delivering pulverized and similar materials
Assignee: BUFFALO TURBINE AGRICULTURAL EQUIPMENT CO Inc
•
Filing: 1947-03-27
•
Granted: 1950-06-20
•
Expires: 1967-03-27
Abstract
No abstract record available.
Inventors
- 👤 James G Sawyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:26
CPC Classifications
A; A01; A01M; A01M9/00; A01M9/0007; A01M9/003; A01M9/0092
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US674098A
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US920597A
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US1197908A
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US1243892A
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US1282697A
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US1348885A
Cited
US1454979A
Cited
US1693880A
Cited
US1733749A
Cited
US1931181A
Cited
US1999789A
Cited
US2240205A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-19 | 1953-12-19 | 1954-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-19 | 1957-12-19 | 1958-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-19 | 1961-12-19 | 1962-06-20 | $7700.00 | Window Closed / Lapsed |