US3075711A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Counterbalance assembly for jaw crushers and the like
Assignee: Mine and Smelter Supply Co
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Filing: 1961-05-08
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Granted: 1963-01-29
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Expires: 1981-05-08
Abstract
No abstract record available.
Inventors
- 👤 Kautz Harry Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:36
CPC Classifications
B; B02; B02C; B02C1/00; B02C1/02; B02C1/04; B02C1/043; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2173; Y10T74/2183
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
52 words
A CRANKSHAFT FOR A JAW CRUSHER HAVING ALIGNED ENDS ADAPTED TO BE JOURNALED IN FIXED BEARINGS, THE SAID CRANKSHAFT BEING PROVIDED WITH CRANK CHEEKS AND AN ECCENTRIC SECTION EXTENDING BETWEEN SAID CHEEKS, THE SAID CRANKSHAFT HAVING METAL REMOVED FROM SAID ECCENTRIC SECTION ONLY AND ON THE EXTERIOR PORTION THEREOF FOR COUNTERBALANCING PURPOSES.
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) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |