Apparatus for treating lawns
Patent 4974406 Issued on December 4, 1990. Estimated Expiration Date: 
October 31, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
October 31, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.InventorApplicationNo. 429394 filed on 10/31/1989US Classes:56/351, With movable feeder172/547, With cleaning means404/131Manually propelled, e.g., lawn rollerExaminersPrimary: Britts, Ramon S.Assistant: Melius, Terry Lee Attorney, Agent or FirmForeign Patent References
International ClassA01D 007/10AbstractA spiked drum is provided with a handle and frame to permit pushing the drum across the ground to pick up leaves on the spikes. The leaves are brushed off the spikes and into a basket by a rotating brush that is driven by the drum and is co-extensive in length with the drum. | |
