US4261160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weed removal apparatus
Assignee: Individual
•
Filing: 1979-10-15
•
Granted: 1981-04-14
•
Expires: 1999-10-15
Abstract
Abstract Apparatus for weed removal from a pond, the apparatus including a buoyant raft, a vacuum pickup hose, and a collecting means.
Inventors
- 👤 Joseph J. Niewiera
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:03
CPC Classifications
A; A01; A01D; A01D44/00
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
130 words
Apparatus for removing weeds from the bottom of a body of water, comprising: (a) a buoyant raft, (b) a motor-driven pump mounted on the raft, the input of the pump receiving water from the body of water, (c) an ejector mounted on the raft and having a nozzle that receives water from the pump, (d) a hose extending from the ejector to the said bottom, (e) a tray mounted on the raft and having a smooth inner surface for receiving the discharge from the ejector at one end and directing the mixture of water and weeds to the opposite end of the tray, and (f) collecting means mounted on said opposite end of the tray to receive and separate said mixture of water and weeds and to retain the weeds.
Claim 2
Dependent Claim
130 words
Apparatus for removing weeds from the bottom of a body of water, comprising: (a) a buoyant raft, (b) a motor-driven pump mounted on the raft, the input of the pump receiving water from the body of water, (c) an ejector mounted on the raft and having a nozzle that receives water from the pump, (d) a hose extending from the ejector to the said bottom, (e) a tray mounted on the raft and having a smooth inner surface for receiving the discharge from the ejector at one end and directing the mixture of water and weeds to the opposite end of the tray, and (f) collecting means mounted on said opposite end of the tray to receive and separate said mixture of water and weeds and to retain the weeds.
Claim 3
Dependent Claim
25 words
Apparatus as recited in claim 1, wherein the tray consists of a bottom and two sides, but is open upwardly and at the discharge end.
Claim 4
Dependent Claim
17 words
Apparatus as recited in claim 1, wherein the collecting means includes a bag formed of mesh material.
Claim 5
Dependent Claim
38 words
Apparatus as recited in claim 3, wherein a rigid bail is fastened to the discharge end of the tray and the open end of the bag is locked around the bail and the said end of the tray.
Claim 6
Dependent Claim
28 words
Apparatus as recited in claim 4, wherein the said open end of the bag is provided with an elastic element that tightly locks around the bail and tray.
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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) | 1984-04-13 | 1984-10-13 | 1985-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-04-13 | 1988-10-13 | 1989-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-04-13 | 1992-10-13 | 1993-04-14 | $7700.00 | Window Closed / Lapsed |