Patent US3116575A successfully refreshed from Google Patents.
US3116575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary abrasive flap wheel
Assignee: Merit Products Inc
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Filing: 1961-01-24
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Granted: 1964-01-07
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Expires: 1981-01-24
Abstract
No abstract record available.
Inventors
- 👤 Block Aleck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:11
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/02; B24D13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
IN COMBINATION FOR PROVIDING AN ABRADING ACTION, A PLURALITY OF FLAPS EACH HAVING AN ABRASIVE MATERIAL ON AT LEAST ONE FACE OF THE FLAP AND EACH BEING DEFINED ALONG AT LEAST A PORTION OF A PARTICULAR EDGE BY A CONTINUOUS CONFIGURATION, A HOLLOW CORE COOPERATIVE WITH THE FLAPS FOR POSITIONING THE FLAPS IN AN ANNULAR RELATIONSHIP DEFINING A HOLLOW CENTER, A BAND EXTENDING FROM THE CORE INTO THE HOLLOW CENTER OF THE CORE AT A POSITION INTERMEDIATE THE OPPOSITE ENDS OF THE CORE, MEANS EXTENDING INTO THE FLAPS AT AN INTERMEDIATE POSITION ALONG THE CONTINUOUS PORTION OF THE PARTICULAR EDGE OF THE FLAPS TO RETAIN THE FLAPS IN THE ANNULAR RELATIONSHIP WITHOUT EXTENDING OUTWARDLY BEYOND THE PARTICULAR EDGE, AND A PAIR OF PLATES DISPOSED WITHIN THE CORE AND AGAINST THE BAND IN THE HOLLOW CENTER OF THE CORE FOR HOLDING THE FLAPS FOR ROTATION WITHOUT EXTENDING BEYOND THE PARTICULAR EDGE OF THE FLAPS.
Claim 2
Dependent Claim
153 words
IN COMBINATION FOR PROVIDING AN ABRADING ACTION, A PLURALITY OF FLAPS EACH HAVING AN ABRASIVE MATERIAL ON AT LEAST ONE FACE OF THE FLAP AND EACH BEING DEFINED ALONG AT LEAST A PORTION OF A PARTICULAR EDGE BY A CONTINUOUS CONFIGURATION, A HOLLOW CORE COOPERATIVE WITH THE FLAPS FOR POSITIONING THE FLAPS IN AN ANNULAR RELATIONSHIP DEFINING A HOLLOW CENTER, A BAND EXTENDING FROM THE CORE INTO THE HOLLOW CENTER OF THE CORE AT A POSITION INTERMEDIATE THE OPPOSITE ENDS OF THE CORE, MEANS EXTENDING INTO THE FLAPS AT AN INTERMEDIATE POSITION ALONG THE CONTINUOUS PORTION OF THE PARTICULAR EDGE OF THE FLAPS TO RETAIN THE FLAPS IN THE ANNULAR RELATIONSHIP WITHOUT EXTENDING OUTWARDLY BEYOND THE PARTICULAR EDGE, AND A PAIR OF PLATES DISPOSED WITHIN THE CORE AND AGAINST THE BAND IN THE HOLLOW CENTER OF THE CORE FOR HOLDING THE FLAPS FOR ROTATION WITHOUT EXTENDING BEYOND THE PARTICULAR EDGE OF THE FLAPS.
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) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |