Patent US3088685A successfully refreshed from Google Patents.
US3088685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Breaker plate structure for impact crusher and retaining means therefor
Assignee: Individual
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Filing: 1961-06-26
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Granted: 1963-05-07
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Expires: 1981-06-26
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Bridgewater
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:09
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/14; B02C13/18; B02C13/1807; B02C13/1814
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
IN AN IMPACT CRUSHING APPARATUS OF THE TYPE DESCRIBED INCLUDING A CENTRAL UPSTANDING IMPELLER STRUCTURE FOR PROJECTING MATERIAL TO BE PROCESSED OUTWARDLY THEREFROM, THE COMBINATION COMPRISING UPSTANDING CYLINDER MEANS FOR SURROUNDING THE IMPELLER STRUCTURE, A PLURALITY OF BREAKER PLATE MEMBERS ARRANGED IN A SUBSTANTIALLY CLOSED RING WITHIN SAID CYLINDER MEANS, SAID BREAKER PLATE MEMBERS HAVING OPPOSING MARGINAL PORTIONS WITH GENERALLY VERTICALLY EXTENDING OPENING MEANS THEREIN, AND GENERALLY VERTICALLY DISPOSED PIN MEMBERS, EACH OF SAID PIN MEMBERS HAVING AN ELONGATED TRANSVERSE CROSS-SECTION, MEANS SUPPORTED WITH RESPECT TO SAID CYLINDER MEANS AND PIVOTALLY SUPPORTING SAID PIN MEMBERS, SAID PIN MEMBERS EXTENDING INTO SAID OPENING MEANS FOR RETAINING SAID BREAKER PLATE MEMBERS WITH RESPECT TO SAID CYLINDER MEANS.
Claim 2
Dependent Claim
115 words
IN AN IMPACT CRUSHING APPARATUS OF THE TYPE DESCRIBED INCLUDING A CENTRAL UPSTANDING IMPELLER STRUCTURE FOR PROJECTING MATERIAL TO BE PROCESSED OUTWARDLY THEREFROM, THE COMBINATION COMPRISING UPSTANDING CYLINDER MEANS FOR SURROUNDING THE IMPELLER STRUCTURE, A PLURALITY OF BREAKER PLATE MEMBERS ARRANGED IN A SUBSTANTIALLY CLOSED RING WITHIN SAID CYLINDER MEANS, SAID BREAKER PLATE MEMBERS HAVING OPPOSING MARGINAL PORTIONS WITH GENERALLY VERTICALLY EXTENDING OPENING MEANS THEREIN, AND GENERALLY VERTICALLY DISPOSED PIN MEMBERS, EACH OF SAID PIN MEMBERS HAVING AN ELONGATED TRANSVERSE CROSS-SECTION, MEANS SUPPORTED WITH RESPECT TO SAID CYLINDER MEANS AND PIVOTALLY SUPPORTING SAID PIN MEMBERS, SAID PIN MEMBERS EXTENDING INTO SAID OPENING MEANS FOR RETAINING SAID BREAKER PLATE MEMBERS WITH RESPECT TO SAID CYLINDER MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |