US2551862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shoe mounting for impact crushers
Assignee: Individual
•
Filing: 1948-09-28
•
Granted: 1951-05-08
•
Expires: 1968-09-28
Abstract
No abstract record available.
Inventors
- 👤 Herbert J Woock
- 👤 Ralph K Cadwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:26
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/26; B02C13/28; B02C13/2804
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1618826A
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US1380146A
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GB231016A
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US1630021A
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US1798000A
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US1944928A
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GB373289A
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US1997553A
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US2086383A
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US2310758A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |