Patent US3374583A successfully refreshed from Google Patents.
US3374583A
Expired / Lapsed
US
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Apparatus for finishing surfaces
Assignee: Walter Jacobi and Sons Inc
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Filing: 1965-09-20
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Granted: 1968-03-26
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Expires: 1985-09-20
Abstract
No abstract record available.
Inventors
- 👤 Arno M Jacobi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:40
CPC Classifications
B; B24; B24B; B24B21/00; B24B21/04; B24B21/06; B24B21/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
APPARATUS FOR FINISHING SURFACES ON WORK PIECES COMPRISING A CONTINUOUS BELT HAVING AN ABRASIVE SURFACE AND A BACKING SURFACE, MEANS FOR DRIVING SAID BELT THROUGH WORK STATION, MEANS FOR MOVING A WORK PIECE THROUGH SAID WORK STATION WITH THE WORK PIECE SURFACE TO BE FINISHED ADJACENT SAID ABRASIVE SURFACE, A BACKING UNIT AT SAID WORK STATION ENGAGING SAID BACKING SURFACE, SAID BACKING UNIT INCLUDING SHAPING MEANS FOR VARYING THE CONFIGURATION OF SAID BELT AT SAID WORK STATION, SENSING MEANS FOR SENSING THE CONFIGURATION OF SAID WORK PIECE SURFACE AS THE WORK PIECE IS MOVED THROUGH THE APPARATUS, AND ACTUATING MEANS RESPONSIVE TO SAID SENSING MEANS FOR ADJUSTING SAID SHAPING MEANS TO CAUSE SAID BELT TO ASSUME SUBSTANTIALLY THE SAME CONFIGURATION AS SAID WORK PIECE SURFACE.
Claim 2
Dependent Claim
125 words
APPARATUS FOR FINISHING SURFACES ON WORK PIECES COMPRISING A CONTINUOUS BELT HAVING AN ABRASIVE SURFACE AND A BACKING SURFACE, MEANS FOR DRIVING SAID BELT THROUGH WORK STATION, MEANS FOR MOVING A WORK PIECE THROUGH SAID WORK STATION WITH THE WORK PIECE SURFACE TO BE FINISHED ADJACENT SAID ABRASIVE SURFACE, A BACKING UNIT AT SAID WORK STATION ENGAGING SAID BACKING SURFACE, SAID BACKING UNIT INCLUDING SHAPING MEANS FOR VARYING THE CONFIGURATION OF SAID BELT AT SAID WORK STATION, SENSING MEANS FOR SENSING THE CONFIGURATION OF SAID WORK PIECE SURFACE AS THE WORK PIECE IS MOVED THROUGH THE APPARATUS, AND ACTUATING MEANS RESPONSIVE TO SAID SENSING MEANS FOR ADJUSTING SAID SHAPING MEANS TO CAUSE SAID BELT TO ASSUME SUBSTANTIALLY THE SAME CONFIGURATION AS SAID WORK PIECE SURFACE.
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) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |