US3146561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circular saw and method of making the same
Assignee: Individual
•
Filing: 1961-05-01
•
Granted: 1964-09-01
•
Expires: 1981-05-01
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Lindblad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:49
CPC Classifications
B; B24; B24D; B24D5/00; B24D5/12; B24D5/123; B24D18/00; B27; B27B; B27B33/00; B27B33/02; B27B33/08; B28; B28D; B28D1/00; B28D1/02; B28D1/12; B28D1/121
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A SAW COMPRISING A CIRCULAR BLANK THE PERIPHERAL EDGE OF WHICH IS OF A REDUCED THICKNESS, AND A CUTTING EDGE COMPRISING ARCUATE SEGMENTS THAT INCLUDE DIAMOND ABRASIVE PARTICLES EMBEDDED IN A MATRIX, SAID SEGMENTS SURROUNDING THE PERIPHERY OF THE BLANK AND EACH HAVING A NOTCH WHICH IS A COUNTERPART OF AND FITS OVER THE EDGE OF THE BLANK WITH AN INTERPOSED ADHERING FILM, THE COUNTERPART SURFACES BEING OF A SHAPE TO ALIGN THE SEGMENTS ON THE DISC BLANK AND CENTER THEM BETWEEN OPPOSITE SIDES OF THE DISC BLANK, EACH SEGMENT BEING OF AN AXIAL THICKNESS GREATER THAN THAT OF THE BLANK ADJACENT TO BUT SPACED FROM THE REDUCED PERIMETER THEREOF.
Claim 2
Dependent Claim
110 words
A SAW COMPRISING A CIRCULAR BLANK THE PERIPHERAL EDGE OF WHICH IS OF A REDUCED THICKNESS, AND A CUTTING EDGE COMPRISING ARCUATE SEGMENTS THAT INCLUDE DIAMOND ABRASIVE PARTICLES EMBEDDED IN A MATRIX, SAID SEGMENTS SURROUNDING THE PERIPHERY OF THE BLANK AND EACH HAVING A NOTCH WHICH IS A COUNTERPART OF AND FITS OVER THE EDGE OF THE BLANK WITH AN INTERPOSED ADHERING FILM, THE COUNTERPART SURFACES BEING OF A SHAPE TO ALIGN THE SEGMENTS ON THE DISC BLANK AND CENTER THEM BETWEEN OPPOSITE SIDES OF THE DISC BLANK, EACH SEGMENT BEING OF AN AXIAL THICKNESS GREATER THAN THAT OF THE BLANK ADJACENT TO BUT SPACED FROM THE REDUCED PERIMETER THEREOF.
References Cited (Backward Citations)
US2015727A
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US2094556A
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US2286361A
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US2557047A
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US2822648A
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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) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |