US3110997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power lawn trimmer
Assignee: Individual
•
Filing: 1963-03-08
•
Granted: 1963-11-19
•
Expires: 1983-03-08
Abstract
No abstract record available.
Inventors
- 👤 Mcclain Waite
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:41
CPC Classifications
A; A01; A01D; A01D1/00; A01D1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
IN A POWER LAWN TRIMMER, A TUBULAR HANDLE, A HORIZONTAL ENGINE MOUNTING PLATE AT THE LOWER END OF SAID HANDLE, AN INTERNAL COMBUSTION ENGINE MOUNTED UPON SAID PLATE AND INCLUDING A HORIZONTALLY DISPOSED CYLINDER AND A VERTICAL CRANK SHAFT JOURNALLED THROUGH SAID MOUNTING PLATE, A CUTTING BLADE FIXED TO THE LOWER END OF SAID SHAFT, A FAN HOUSING CONNECTED TO THE TOP OF THE ENGINE, A FAN IN THE FAN HOUSING AND FIXED UPON SAID SHAFT, AN AIR CHAMBER HOUSING ON TOP OF THE FAN HOUSING AND COMMUNICATING THEREWITH, THE FAN HOUSING HAVING AN OUTLET DIRECTED TOWARD THE ENGINE CYLINDER TO DISCHARGE AIR ABOUT THE CYLINDER FOR COOLING THE SAME, THE UPPER PORTION OF SAID TUBULAR HANDLE BEING DISPOSED A CONSIDERABLE DISTANCE ABOVE THE ENGINE WHEN THE TRIMMER IS IN USE AND BEING ARRANGED TO BE GRASPED IN THE HANDS OF AN OPERATOR, A FILTER COMPRISING AN OPEN-ENDED ELONGATED CYLIN-
Claim 2
Dependent Claim
150 words
IN A POWER LAWN TRIMMER, A TUBULAR HANDLE, A HORIZONTAL ENGINE MOUNTING PLATE AT THE LOWER END OF SAID HANDLE, AN INTERNAL COMBUSTION ENGINE MOUNTED UPON SAID PLATE AND INCLUDING A HORIZONTALLY DISPOSED CYLINDER AND A VERTICAL CRANK SHAFT JOURNALLED THROUGH SAID MOUNTING PLATE, A CUTTING BLADE FIXED TO THE LOWER END OF SAID SHAFT, A FAN HOUSING CONNECTED TO THE TOP OF THE ENGINE, A FAN IN THE FAN HOUSING AND FIXED UPON SAID SHAFT, AN AIR CHAMBER HOUSING ON TOP OF THE FAN HOUSING AND COMMUNICATING THEREWITH, THE FAN HOUSING HAVING AN OUTLET DIRECTED TOWARD THE ENGINE CYLINDER TO DISCHARGE AIR ABOUT THE CYLINDER FOR COOLING THE SAME, THE UPPER PORTION OF SAID TUBULAR HANDLE BEING DISPOSED A CONSIDERABLE DISTANCE ABOVE THE ENGINE WHEN THE TRIMMER IS IN USE AND BEING ARRANGED TO BE GRASPED IN THE HANDS OF AN OPERATOR, A FILTER COMPRISING AN OPEN-ENDED ELONGATED CYLIN-
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) | 1966-11-18 | 1967-05-20 | 1967-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-18 | 1971-05-20 | 1971-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-18 | 1975-05-20 | 1975-11-19 | $7700.00 | Window Closed / Lapsed |