US4070771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable snow blower
Assignee: Lee Raymond Organization Inc
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Filing: 1976-11-09
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Granted: 1978-01-31
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Expires: 1996-11-09
Abstract
Abstract A portable snow blower which may be employed on the roof of a building or vehicle to remove snow without damage to the roof on which the snow lies. The unit is formed of a shaped housing fitted at its rear with an external handle and enclosing a powered air blower. The discharge opening of the blower is located at a forward tapered end section of the housing, with the opening extending across the top of the end section, and with the bottom portion of the end section of the housing being enclosed.
Inventors
- 👤 John Yakiwchuk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:24
CPC Classifications
E; E04; E04D; E04D13/00; E04D13/10; E04D13/106; E01; E01H; E01H5/00; E01H5/10; E01H5/106
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
214 words
A portable snow blower unit fitted with a housing enclosing a powered blower, said housing formed as a chute for enclosing exhaust air from the blower to a port at the forward end of the housing, in which the forward end of the housing is formed with an open port section extending across the forward end and forward upper end of the housing, with the bottom forward end section of the housing, below said port section, externally extending as a flat surface towards the forward end of the housing, said flat surface oriented at an acute angle taken from the port opening, to the axis of the chute of the housing, and at an obtuse angle to the remainder of the undersurface of the housing to the rear of said flat surface, together with a handle externally mounted on an upper section of the housing, so that with the unit manually gripped by the said handle, the unit may be slid with said flat surface resting on a base surface in the direction of the forward end of the housing with air flowing from the chute at an obtuse angle to the said base surface forward of the chute port section so as to blow snow on said base surface away from said port.
Claim 2
Dependent Claim
214 words
A portable snow blower unit fitted with a housing enclosing a powered blower, said housing formed as a chute for enclosing exhaust air from the blower to a port at the forward end of the housing, in which the forward end of the housing is formed with an open port section extending across the forward end and forward upper end of the housing, with the bottom forward end section of the housing, below said port section, externally extending as a flat surface towards the forward end of the housing, said flat surface oriented at an acute angle taken from the port opening, to the axis of the chute of the housing, and at an obtuse angle to the remainder of the undersurface of the housing to the rear of said flat surface, together with a handle externally mounted on an upper section of the housing, so that with the unit manually gripped by the said handle, the unit may be slid with said flat surface resting on a base surface in the direction of the forward end of the housing with air flowing from the chute at an obtuse angle to the said base surface forward of the chute port section so as to blow snow on said base surface away from said port.
References Cited (Backward Citations)
US266121A
Cited
US3053460A
Cited
US3189021A
Cited
US3174477A
Cited
US3619917A
Cited
US3735510A
Cited
SU363779A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-01-30 | 1981-08-01 | 1982-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-01-30 | 1985-08-01 | 1986-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-01-30 | 1989-08-01 | 1990-01-31 | $7700.00 | Window Closed / Lapsed |