Patent US3624699A successfully refreshed from Google Patents.
US3624699A
Expired / Lapsed
US
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Grass-catching attachments
Assignee: PERFECTION Manufacturing Co
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Filing: 1970-03-11
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Granted: 1971-11-30
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Expires: 1990-03-11
Abstract
Abstract A device for attaching grass catchers to power driven lawn mowers, and discloses a pair of complementary rigid frames, one at the mouth of the mower and the second at the inlet to the catcher, which interlock with each other to form a sturdy cantilever-type attachment.
Inventors
- 👤 Ralph L Hoffmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:27
CPC Classifications
A; A01; A01D; A01D43/00; A01D43/06; A01D43/063; A01D2101/00; A01D34/00; A01D34/01; A01D34/412; A01D34/63
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
235 words
In combination; a power mower having a discharge mouth defined by a pair of substantially vertical sides and substantially horizontal upper first bight; an attachment bracket secured to said bight and including an upwardly projecting member at the outer edge of said horizontal bight of said mouth, an inwardly projecting lip at the upper end of said member, and a substantially shorter upwardly projecting stop which is parallel to and spaced inwardly from said member; a U-shaped frame sized for overlapping engagement with the mouth of said mower and including a pair of spaced depending legs and an interconnecting second bight sized for overlapping engagement with the first bight while nestedly disposed in the attachment bracket between the member and the stop; an outrigger bag support bar including an elongated tube which extends outwardly from the frame and which is provided at either end with a pair of flattened sections, one section being secured to one leg of the frame and the other section being secured to the other leg of the frame; and a grass-catching bag removably draped over the support bar and including a mouth which envelopes the frame; said frame legs each including inwardly projecting ears near their lower ends sized for abutting engagement with the sides of the discharge mouth when the frame is disposed in the attachment bracket and the bag is disposed about the frame and the support bar.
Claim 2
Dependent Claim
235 words
In combination; a power mower having a discharge mouth defined by a pair of substantially vertical sides and substantially horizontal upper first bight; an attachment bracket secured to said bight and including an upwardly projecting member at the outer edge of said horizontal bight of said mouth, an inwardly projecting lip at the upper end of said member, and a substantially shorter upwardly projecting stop which is parallel to and spaced inwardly from said member; a U-shaped frame sized for overlapping engagement with the mouth of said mower and including a pair of spaced depending legs and an interconnecting second bight sized for overlapping engagement with the first bight while nestedly disposed in the attachment bracket between the member and the stop; an outrigger bag support bar including an elongated tube which extends outwardly from the frame and which is provided at either end with a pair of flattened sections, one section being secured to one leg of the frame and the other section being secured to the other leg of the frame; and a grass-catching bag removably draped over the support bar and including a mouth which envelopes the frame; said frame legs each including inwardly projecting ears near their lower ends sized for abutting engagement with the sides of the discharge mouth when the frame is disposed in the attachment bracket and the bag is disposed about the frame and the support bar.
Claim 3
Dependent Claim
51 words
The device of claim 1 wherein the frame comprises a U-shaped channel bent in such manner that the bight thereof is in flushwise engagement with the first bight and the sides of the discharge mouth, and the lateral margins thereof are spaced for accepting the flattened sections of the support bar.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-29 | 1975-05-31 | 1975-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-29 | 1979-05-31 | 1979-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-29 | 1983-05-31 | 1983-11-30 | $7700.00 | Window Closed / Lapsed |