US3344822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saw blade
Assignee: Individual
•
Filing: 1965-07-19
•
Granted: 1967-10-03
•
Expires: 1985-07-19
Abstract
No abstract record available.
Inventors
- 👤 Archie P Wilder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:18
CPC Classifications
B; B27; B27B; B27B33/00; B27B33/02; B27B33/08; Y; Y10; Y10T; Y10T83/00; Y10T83/929; Y10T83/9319; Y10T83/9324
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A ROTARY SAW BLADE COMPRISING: (A) A CIRCULAR PLATE HAVING OPPOSITE SIDES, A CONCENTRIC MOUNTING OPENING, AND A PREDETERMINED DIRECTION OF OPERATIONAL ROTATION; (B) CUTTING TEETH DISPOSED ABOUT THE PERIPHERY OF THE PLATE INCLUDING POINT HAVING FORWARDLY DISPOSED SURFACES EXTENDED INWARDLY AND REARWARDLY WITH RESPECT TO THE DIRECTION OF ROTATION AND OPPOSITELY AXIALLY EXTENDED FROM THE PLATE AND TERMINATING IN PREDETERMINED PLANES SPACED FROM THE PLATE; AND (C) ELONGATED PLANING ELEMENTS INTEGRAL WITH OPPOSITE SIDES OF THE PLATE HAVING LONGITUDINAL SCRAPING EDGES DISPOSED FORWARDLY OF SAID DIRETION OF ROTATION AND OPPOSITELY EXTENDED FROM THE PLATE DISTANCES SUBSTANTIALLY EQUAL TO THE OPPOSITE AXIAL EXTENSION OF THE CUTTING POINTS, SAID ELEMENTS BEING DISPOSED SUBSTANTIALLY RADIALLY OF THE PLATE AND EXERCISING A RADIAL BLOWING EFFECT DURING ROTATION OF THE PLATE TO COOL THE PLATE AND TEETH AND TO BLOW SAWDUST OUTWARDLY THEREFROM.
Claim 2
Dependent Claim
139 words
A ROTARY SAW BLADE COMPRISING: (A) A CIRCULAR PLATE HAVING OPPOSITE SIDES, A CONCENTRIC MOUNTING OPENING, AND A PREDETERMINED DIRECTION OF OPERATIONAL ROTATION; (B) CUTTING TEETH DISPOSED ABOUT THE PERIPHERY OF THE PLATE INCLUDING POINT HAVING FORWARDLY DISPOSED SURFACES EXTENDED INWARDLY AND REARWARDLY WITH RESPECT TO THE DIRECTION OF ROTATION AND OPPOSITELY AXIALLY EXTENDED FROM THE PLATE AND TERMINATING IN PREDETERMINED PLANES SPACED FROM THE PLATE; AND (C) ELONGATED PLANING ELEMENTS INTEGRAL WITH OPPOSITE SIDES OF THE PLATE HAVING LONGITUDINAL SCRAPING EDGES DISPOSED FORWARDLY OF SAID DIRETION OF ROTATION AND OPPOSITELY EXTENDED FROM THE PLATE DISTANCES SUBSTANTIALLY EQUAL TO THE OPPOSITE AXIAL EXTENSION OF THE CUTTING POINTS, SAID ELEMENTS BEING DISPOSED SUBSTANTIALLY RADIALLY OF THE PLATE AND EXERCISING A RADIAL BLOWING EFFECT DURING ROTATION OF THE PLATE TO COOL THE PLATE AND TEETH AND TO BLOW SAWDUST OUTWARDLY THEREFROM.
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) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |