Patent US2186047A successfully refreshed from Google Patents.
US2186047A
Expired / Lapsed
US
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Hammer for crushing machinery
Assignee: Pennsylvania Crusher Co
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Filing: 1935-05-16
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Granted: 1940-01-09
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Expires: 1955-05-16
Abstract
No abstract record available.
Inventors
- 👤 James E Stine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:42
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/26; B02C13/28; F; F16; F16B; F16B2200/00; F16B2200/69; F16B2200/71; Y; Y10; Y10S; Y10S411/00; Y10S411/998; Y10T; Y10T403/00; Y10T403/70; Y10T403/7075; Y10T403/7077; Y10T403/7079; Y10T403/7083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-01-08 | 1943-07-10 | 1944-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-01-08 | 1947-07-10 | 1948-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-01-08 | 1951-07-10 | 1952-01-09 | $7700.00 | Window Closed / Lapsed |