US3204674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Step sawmilling with by-product chip production
Assignee: GRIFFWOOD Inc
•
Filing: 1962-03-12
•
Granted: 1965-09-07
•
Expires: 1982-03-12
Abstract
No abstract record available.
Inventors
- 👤 John T Griffin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:21
CPC Classifications
B; B27; B27L; B27L11/00; B27L11/007; B23; B23D; B23D45/00; B23D45/10; B23D45/105; B27B; B27B25/00; B27B25/02; B27B33/00; B27B33/02; B27B33/08; B27B5/00; B27B5/16; B27B5/22; Y; Y10; Y10T; Y10T83/00; Y10T83/647; Y10T83/6584; Y10T83/6585
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
THE METHOD OF SAWING LOGS INTO USABLE BOARDS AND DURING THE SAWING OPERATION FORMING CHIPS OF SUFFICIENT LENGTH ALONG THE LONGITUDINAL GRAIN TO BE USEFUL FOR MAKING WOOD PUMP, COMPRISING PROVIDING TEETH ON A SAW BLADE IN SPACED RELATION ALONG THE CUTTING PERIPHERY OF THE SAW BLADE SO THAT THE TEETH CUT IN SUCCESSION, CAUSING SAID SAW BLADE TO MOVE AT A SELECTED PERIPHERAL SPEED AND SIMULTANEOUSLY WITH THE OPERATION OF THE SAW AT THE SELECTED PERIPHERAL SPEED FEEDING THE LOG TO THE SAW IN A DIRECTION IN THE PLANE OF THE SAW AT SUCH A RATE OF FEED WITH RELATION TO THE PERIPHERAL SPEED OF THE CUTTING TEETH OF THE SAW BLADE AS TO PERMIT EACH TOOTH TO MAKE A CUT ALONG
Claim 2
Independent Claim
123 words
THE METHOD OF SAWING LOGS INTO USABLE BOARDS AND DURING THE SAWING OPERATION FORMING CHIPS OF SUFFICIENT LENGTH ALONG THE LONGITUDINAL GRAIN TO BE USEFUL FOR MAKING WOOD PUMP, COMPRISING PROVIDING TEETH ON A SAW BLADE IN SPACED RELATION ALONG THE CUTTING PERIPHERY OF THE SAW BLADE SO THAT THE TEETH CUT IN SUCCESSION, CAUSING SAID SAW BLADE TO MOVE AT A SELECTED PERIPHERAL SPEED AND SIMULTANEOUSLY WITH THE OPERATION OF THE SAW AT THE SELECTED PERIPHERAL SPEED FEEDING THE LOG TO THE SAW IN A DIRECTION IN THE PLANE OF THE SAW AT SUCH A RATE OF FEED WITH RELATION TO THE PERIPHERAL SPEED OF THE CUTTING TEETH OF THE SAW BLADE AS TO PERMIT EACH TOOTH TO MAKE A CUT ALONG
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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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |