US3225799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lumber sawing attachment for portable chain saw
Assignee: Individual
•
Filing: 1961-01-10
•
Granted: 1965-12-28
•
Expires: 1981-01-10
Abstract
No abstract record available.
Inventors
- 👤 Ernest A Hayden
- 👤 John S Tanner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:53
CPC Classifications
B; B27; B27B; B27B17/00; B27B17/0083; Y; Y10; Y10T; Y10T83/00; Y10T83/707; Y10T83/7101; Y10T83/869; Y10T83/8763
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
A PORTABLE LOG SAW ASSEMBLY COMPRISING A CARRIAGE TO EXTEND ACROSS A RECLINING LOG, MEANS MOUNTED ON THE CARRIAGE TO BEAR MOVABLY UPON THE LOG, A SAW GUIDE BAR MOUNTED ON THE CARRIAGE AND SPACED BELOW SAID MEANS, A SAW CHAIN TRAINED AROUND SAID GUIDE BAR, SAID CARRIAGE HAVING A FIRST AND A SECOND END AND SAID CHAIN HAVING A LEADING FLIGHT WORKING TOWARD SID FIRST END, A SAW CHAIN DRIVING MEANS MOUNTED ON SAID CARRIAGE AND OPERABLY CONNECTED TO SAID SAW CHAIN, LATERAL THRUST MEANS MOUNTED ON THE CARRIAGE AT SAID FIRST END HAVING THRUST HEAD MEANS LOCATED ON THE CARRIAGE AT SAID FIRST END AND HAVING THRUST HEAD MEANS LOCATED BELOW THE LEVEL OF SAID SAW CHAIN AND GUIDE BAR FOR ENGAGINB THE SIDE OF A LOG IN THRUST OPPOSITION TO THE ACTION OF THE LEADING FLIGHT OF SAID SAW CHAIN, SAID FIRST MENTIONED MEANS COMPRISING A LEADING ROLLER, A MIDDLE ROLLER, AND A TRAILING ROLLER, SAID ROLLERS BEING THE SAME HORIZONTAL PLANE, WITH SAID SAW GUIDE BAR AND SAID SAW CHAIN LOCATED BETWEEN THE MIDDLE ROLLER AND THE TRAILING ROLLER.
Claim 2
Dependent Claim
183 words
A PORTABLE LOG SAW ASSEMBLY COMPRISING A CARRIAGE TO EXTEND ACROSS A RECLINING LOG, MEANS MOUNTED ON THE CARRIAGE TO BEAR MOVABLY UPON THE LOG, A SAW GUIDE BAR MOUNTED ON THE CARRIAGE AND SPACED BELOW SAID MEANS, A SAW CHAIN TRAINED AROUND SAID GUIDE BAR, SAID CARRIAGE HAVING A FIRST AND A SECOND END AND SAID CHAIN HAVING A LEADING FLIGHT WORKING TOWARD SID FIRST END, A SAW CHAIN DRIVING MEANS MOUNTED ON SAID CARRIAGE AND OPERABLY CONNECTED TO SAID SAW CHAIN, LATERAL THRUST MEANS MOUNTED ON THE CARRIAGE AT SAID FIRST END HAVING THRUST HEAD MEANS LOCATED ON THE CARRIAGE AT SAID FIRST END AND HAVING THRUST HEAD MEANS LOCATED BELOW THE LEVEL OF SAID SAW CHAIN AND GUIDE BAR FOR ENGAGINB THE SIDE OF A LOG IN THRUST OPPOSITION TO THE ACTION OF THE LEADING FLIGHT OF SAID SAW CHAIN, SAID FIRST MENTIONED MEANS COMPRISING A LEADING ROLLER, A MIDDLE ROLLER, AND A TRAILING ROLLER, SAID ROLLERS BEING THE SAME HORIZONTAL PLANE, WITH SAID SAW GUIDE BAR AND SAID SAW CHAIN LOCATED BETWEEN THE MIDDLE ROLLER AND THE TRAILING ROLLER.
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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |