US2643065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Icebreaker mill with roll and adjustable breaker plate
Assignee: Clawson Machine Co
•
Filing: 1951-01-13
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Granted: 1953-06-23
•
Expires: 1971-01-13
Abstract
No abstract record available.
Inventors
- 👤 Robert T Clawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:43
CPC Classifications
F; F25; F25C; F25C5/00; F25C5/02; F25C5/04; F25C5/046; Y; Y10; Y10S; Y10S241/00; Y10S241/17; Y10T; Y10T225/00; Y10T225/30; Y10T225/329
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US626042A
Cited
AT6424B
Cited
US1032081A
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US2195363A
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US2297604A
Cited
US2498773A
Cited
US2600508A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-22 | 1956-12-22 | 1957-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-22 | 1960-12-22 | 1961-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-22 | 1964-12-22 | 1965-06-23 | $7700.00 | Window Closed / Lapsed |