Patent US3300149A successfully refreshed from Google Patents.
US3300149A
Expired / Lapsed
US
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Electric stress sensing devices for crushing machines
Assignee: Babbitless SA
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Filing: 1963-12-02
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Granted: 1967-01-24
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Expires: 1983-12-02
Abstract
No abstract record available.
Inventors
- 👤 Lemardeley Claude Yves Lucien
- 👤 Barrot Paul Marcel Emile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:11
CPC Classifications
F; F16; F16P; F16P7/00; B; B02; B02C; B02C13/00; B02C13/26; B02C13/31; B02C2/00; B02C2/02; B02C2/04; B02C2/047; B02C2/06; B02C2/10; B02C25/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
IN A GYRATORY CRUSHER HAVING A FRAMEWORK AND AN OSCILLATORY CARRIER SHAFT SUPPORTED ON THE FRAMEWORK AND INTEGRAL WITH THE MOBILE CRUSHING CORE MEMBER OF THE MACHINE, AN ELECTRICAL SENSING DEVICE FOR DETECTING ABNORMAL STRESSES, COMPRISING A LOW-VOLTAGE POWER SUPPLY, MEANS FOR ELECTRICALLY ISOLATING SAID CARRIER SHAFT FROM SAID CRUSHER FRAMEWORK, AN ELECTRICAL CIRCUIT CONNECTING SAID POWER SUPPLY SOURCE ON ONE HAND TO SAID CARRIER SHAFT AND ON THE OTHER HAND TO SAID CRUSHER FRAMEWORK,
Claim 2
Dependent Claim
75 words
IN A GYRATORY CRUSHER HAVING A FRAMEWORK AND AN OSCILLATORY CARRIER SHAFT SUPPORTED ON THE FRAMEWORK AND INTEGRAL WITH THE MOBILE CRUSHING CORE MEMBER OF THE MACHINE, AN ELECTRICAL SENSING DEVICE FOR DETECTING ABNORMAL STRESSES, COMPRISING A LOW-VOLTAGE POWER SUPPLY, MEANS FOR ELECTRICALLY ISOLATING SAID CARRIER SHAFT FROM SAID CRUSHER FRAMEWORK, AN ELECTRICAL CIRCUIT CONNECTING SAID POWER SUPPLY SOURCE ON ONE HAND TO SAID CARRIER SHAFT AND ON THE OTHER HAND TO SAID CRUSHER FRAMEWORK,
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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |