Patent US2485718A successfully refreshed from Google Patents.
US2485718A
Expired / Lapsed
US
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Plural stage jaw crusher, including independent means for adjusting the discharge gap of each stage
Assignee: Individual
•
Filing: 1945-11-01
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Granted: 1949-10-25
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Expires: 1965-11-01
Abstract
No abstract record available.
Inventors
- 👤 Amos R Ebersol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:35
CPC Classifications
B; B02; B02C; B02C1/00; B02C1/02; B02C1/04; B02C1/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR745586A
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US473725A
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US539972A
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US59165A
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US2380419A
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GB189416398A
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US693288A
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US887003A
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US1078342A
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US1346871A
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US1899930A
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FR731181A
Cited
FR815681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-24 | 1953-04-25 | 1953-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-24 | 1957-04-25 | 1957-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-24 | 1961-04-25 | 1961-10-25 | $7700.00 | Window Closed / Lapsed |