US3176732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circular saw
Assignee: Individual
•
Filing: 1961-09-25
•
Granted: 1965-04-06
•
Expires: 1981-09-25
Abstract
No abstract record available.
Inventors
- 👤 George A Henderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:20
CPC Classifications
B; B28; B28D; B28D1/00; B28D1/02; B28D1/12; B28D1/121; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1906; Y10T407/1952; Y10T407/1956; Y10T407/26; Y10T83/00; Y10T83/929; Y10T83/9319; Y10T83/936
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
219 words
A CIRCULAR SAW COMPRISING A FLAT DISK-LIKE SAW BODY HAVING OPPOSITE SIDES PERPENDICULAR TO THE AXIS OF ROTATION OF THE SAW BODY, A PLURALITY OF CIRCUMFERENTIALLY SPACED TOOTH BACKING ELEMENT ON THE PERIPHERY OF THE SAW BODY AND PROJECING RADIALLY OUTWARDLY THEREFROM, AND AN INSERTED SAW TOOTH SECURED TO EACH BACKING ELEMENT, EACH SAW TOOTH HAVING A FRONT FACE PRESENTED TOWARD THE ADJACENT FORWARD BACKING ELEMENT AND LYING IN A PLANE WHICH IS AT AN ANGLE TO THE SIDES OF THE BODY, EACH SAID TOOTH ALSO HAVING AN END SURFACE AND LATERAL FACES, ONLY ONE OF THE LATERAL FACES HAVING A FLANGE WHICH PROJECTS AXIALLY BEYOND ONE SIDE OF THE SAW BODY AND BEARS AGAINST SAID ONE SIDE OF THE SAW BODY, THE FRONT FACE, END SURFACE AND LATERAL FACES OF EACH TOOTH INTERSECTING THE FORM A LATERAL CUTTING EDGE AND A PERIPHERAL CUTTING EDGE, THE LATER CUTTING EDGES OF ALTERNATE TEETH LYING AXIALLY OUTWARDLY OF ONE SIDE OF THE SAW BODY AND THE LATERAL CUTTING EDGES OF THE REMAINING ALTERNATE TEETH LYING AXIALLY OUTWARDLY OF THE OTHER SIDE OF THE SAW BDOY, THE LATER CUTTING EDGES OF THE TEETH OF EACH GROUP THAT CONSTITUTES ALTERNATE TEETH DEFINING OPPOSED SURFACES OF REVOLUTION AXIALY OUTWARDLY OF THE OPPOSITE SIDES OF THE SAW BODY AND FORMING THE KERFT OF THE SAW.
Claim 2
Dependent Claim
219 words
A CIRCULAR SAW COMPRISING A FLAT DISK-LIKE SAW BODY HAVING OPPOSITE SIDES PERPENDICULAR TO THE AXIS OF ROTATION OF THE SAW BODY, A PLURALITY OF CIRCUMFERENTIALLY SPACED TOOTH BACKING ELEMENT ON THE PERIPHERY OF THE SAW BODY AND PROJECING RADIALLY OUTWARDLY THEREFROM, AND AN INSERTED SAW TOOTH SECURED TO EACH BACKING ELEMENT, EACH SAW TOOTH HAVING A FRONT FACE PRESENTED TOWARD THE ADJACENT FORWARD BACKING ELEMENT AND LYING IN A PLANE WHICH IS AT AN ANGLE TO THE SIDES OF THE BODY, EACH SAID TOOTH ALSO HAVING AN END SURFACE AND LATERAL FACES, ONLY ONE OF THE LATERAL FACES HAVING A FLANGE WHICH PROJECTS AXIALLY BEYOND ONE SIDE OF THE SAW BODY AND BEARS AGAINST SAID ONE SIDE OF THE SAW BODY, THE FRONT FACE, END SURFACE AND LATERAL FACES OF EACH TOOTH INTERSECTING THE FORM A LATERAL CUTTING EDGE AND A PERIPHERAL CUTTING EDGE, THE LATER CUTTING EDGES OF ALTERNATE TEETH LYING AXIALLY OUTWARDLY OF ONE SIDE OF THE SAW BODY AND THE LATERAL CUTTING EDGES OF THE REMAINING ALTERNATE TEETH LYING AXIALLY OUTWARDLY OF THE OTHER SIDE OF THE SAW BDOY, THE LATER CUTTING EDGES OF THE TEETH OF EACH GROUP THAT CONSTITUTES ALTERNATE TEETH DEFINING OPPOSED SURFACES OF REVOLUTION AXIALY OUTWARDLY OF THE OPPOSITE SIDES OF THE SAW BODY AND FORMING THE KERFT OF THE SAW.
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) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |