Patent US3199798A successfully refreshed from Google Patents.
US3199798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crushers
Assignee: FRONTIER SIXTY CORP
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Filing: 1961-04-17
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Granted: 1965-08-10
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Expires: 1981-04-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles W Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:15
CPC Classifications
B; B02; B02C; B02C4/00; B02C4/28; B02C4/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN A CRUSHER FOR REDUCING THE SIZE OF STONE, A HOUSING, A ROLL IN SAID HOUSING ON AN EXIS, SAID ROLL HAVING SPACED APART GENERALLYPARALLEL LANDAS SEPARATED BY GROOVES EXTENDING AROUNG THE CIRCUMFERENCE OF THE ROLL, ANVIL MEANS SPACED FORM THE ROLL PARALLEL TO THE ROLL, ANVIL ROLL BEING SPACED APART FROM ANVIL MEANS A DISTANCE SUBSTANTIALLY EQUAL TO THE SIZE OF THE PARTICLES DESIRED AND SAID GROOVES BEING A WIDTH SUBSTANTIALLY EQUAL TO SAID DISTANCE AND DRIVING MEANS ROTATING SAID ROLL TO CARRY STONE TO BE CRUSHED BETWEEN IT AND THE ANVIL.
Claim 2
Dependent Claim
93 words
IN A CRUSHER FOR REDUCING THE SIZE OF STONE, A HOUSING, A ROLL IN SAID HOUSING ON AN EXIS, SAID ROLL HAVING SPACED APART GENERALLYPARALLEL LANDAS SEPARATED BY GROOVES EXTENDING AROUNG THE CIRCUMFERENCE OF THE ROLL, ANVIL MEANS SPACED FORM THE ROLL PARALLEL TO THE ROLL, ANVIL ROLL BEING SPACED APART FROM ANVIL MEANS A DISTANCE SUBSTANTIALLY EQUAL TO THE SIZE OF THE PARTICLES DESIRED AND SAID GROOVES BEING A WIDTH SUBSTANTIALLY EQUAL TO SAID DISTANCE AND DRIVING MEANS ROTATING SAID ROLL TO CARRY STONE TO BE CRUSHED BETWEEN IT AND THE ANVIL.
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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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |