US2609152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vertically arranged hammer mill
Assignee: MASSEY HARRIS CO Ltd
•
Filing: 1950-06-17
•
Granted: 1952-09-02
•
Expires: 1970-06-17
Abstract
No abstract record available.
Inventors
- 👤 Brough James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:21
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1758010A
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US1977771A
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US2082419A
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US2100020A
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FR850463A
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US2333247A
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US2329910A
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US2365179A
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CH259751A
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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) | 1955-09-02 | 1956-03-03 | 1956-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-02 | 1960-03-03 | 1960-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-02 | 1964-03-03 | 1964-09-02 | $7700.00 | Window Closed / Lapsed |