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US3676893A Expired / Lapsed US ⏱️ 0.0 years remaining

Rotary mower

Assignee: REPUBLIC MOWER CO Pty
•
Filing: 1970-06-29
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Granted: 1972-07-18
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Expires: 1990-06-29
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Abstract

Abstract A rotary lawn mower having rotary cutter means and having a suction cover removably fitted to the mower to provide a suction inlet leading to the rotary cutter means. The suction cover is adapted to be removed to expose the rotary cutter means for mowing. The rotary cutter means may be adapted to provide suction, or the rotary cutter means may be replaced by a suction impeller, so that the mower can be used as a suction cleaner device when the suction cover is fitted thereto.

Inventors

  • 👤 Eric Patrick Greenwood Smythe

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 07:51
CPC Classifications
A; A01; A01D; A01D42/00; A01D42/06; A01D2101/00; Y; Y10; Y10S; Y10S56/00; Y10S56/08

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 138 words
In combination, a rotary mower comprising a body portion including a top plate and an annular skirt depending from said top plate to define a cavity which is open at its lower end, a suction impeller adapted to selectively replace a rotary cutter means, mounted adjacent said top plate, and a suction cover adapted to be selectively fitted to said annular skirt to close the lower end of said cavity, when said suction impeller is mounted in position, said suction cover having a central suction inlet to lead to said cavity, and having lead-in means recessed into said cavity leading inwardly from two opposed edges of said suction cover to said suction inlet, said suction impeller and said suction cover being adapted to be fitted to the mower to allow it to serve as a suction cleaner device.
Claim 2
Dependent Claim 138 words
In combination, a rotary mower comprising a body portion including a top plate and an annular skirt depending from said top plate to define a cavity which is open at its lower end, a suction impeller adapted to selectively replace a rotary cutter means, mounted adjacent said top plate, and a suction cover adapted to be selectively fitted to said annular skirt to close the lower end of said cavity, when said suction impeller is mounted in position, said suction cover having a central suction inlet to lead to said cavity, and having lead-in means recessed into said cavity leading inwardly from two opposed edges of said suction cover to said suction inlet, said suction impeller and said suction cover being adapted to be fitted to the mower to allow it to serve as a suction cleaner device.

References Cited (Backward Citations)

US1021731A Cited
US3142913A Cited
US3373514A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-07-18 1976-01-17 1976-07-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-07-18 1980-01-17 1980-07-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-07-18 1984-01-17 1984-07-18 $7700.00 Window Closed / Lapsed

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