US3129898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refiner construction
Assignee: Bauer Brothers Co
•
Filing: 1961-04-18
•
Granted: 1964-04-21
•
Expires: 1981-04-18
Abstract
No abstract record available.
Inventors
- 👤 Donald P Michel
- 👤 Herman W Steiniger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:13
CPC Classifications
D; D21; D21D; D21D1/00; D21D1/20; D21D1/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A REFINER OR LIKE DEVICE, INCLUDING A MAIN SUPPORT; RELATIVELY STATIONARY BEARING MOUNTS OCCUPYING SPACED APART LOCATIONS ON SAID SUPPORT; BEARING UNITS CONTAINED IN SAID MOUNTS ADAPTED FOR RELATIVE LONGITUDINAL MOTION; A SHAFT ROTATABLE IN SAID BEARING UNITS AND CONNECTED THERETO FOR UNISON LONGITUDINAL MOTION; A REFINER DISC ON SAID SHAFT; ELECTRO-MOTIVE MEANS FOR ROTATING SAID SHAFT INCLUDING A ROTOR AND COLLECTOR RINGS CONNECTED TO THE SHAFT FOR MOTION THEREWITH, BRUSHES MOUNTED TO ONE OF SAID BEARING UNITS TO CONTACT SAID RINGS AND MEANS IN CONNECTION WITH SAID SHAFT THROUGH THE MEDIUM OF AT LEAST ONE OF SAID BEARING UNITS ARRANGED TO ACCOMMODATE END THRUSTS THEREON ON OPERATION OF SAID DISC.
Claim 2
Dependent Claim
111 words
A REFINER OR LIKE DEVICE, INCLUDING A MAIN SUPPORT; RELATIVELY STATIONARY BEARING MOUNTS OCCUPYING SPACED APART LOCATIONS ON SAID SUPPORT; BEARING UNITS CONTAINED IN SAID MOUNTS ADAPTED FOR RELATIVE LONGITUDINAL MOTION; A SHAFT ROTATABLE IN SAID BEARING UNITS AND CONNECTED THERETO FOR UNISON LONGITUDINAL MOTION; A REFINER DISC ON SAID SHAFT; ELECTRO-MOTIVE MEANS FOR ROTATING SAID SHAFT INCLUDING A ROTOR AND COLLECTOR RINGS CONNECTED TO THE SHAFT FOR MOTION THEREWITH, BRUSHES MOUNTED TO ONE OF SAID BEARING UNITS TO CONTACT SAID RINGS AND MEANS IN CONNECTION WITH SAID SHAFT THROUGH THE MEDIUM OF AT LEAST ONE OF SAID BEARING UNITS ARRANGED TO ACCOMMODATE END THRUSTS THEREON ON OPERATION OF SAID DISC.
References Cited (Backward Citations)
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US1194645A
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US1146030A
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US1863184A
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US2216611A
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US2909333A
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US2930534A
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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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |