Patent US3767055A successfully refreshed from Google Patents.
US3767055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Skimmer for a water body
Assignee: Individual
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Filing: 1971-10-14
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Granted: 1973-10-23
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Expires: 1991-10-14
Abstract
Abstract A skimmer for a water body includes a float carrying a detachable trash receptacle having a forwardly directed opening. There is a propeller on the float offset from the float center for propelling the float and a settable rudder for guiding the float. A rotatable guard ring extends outwardly beyond the float to fend the float from obstacles and permit the float to turn away automatically. A decorative housing encloses much of the structure.
Inventors
- 👤 L Flatland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:43
CPC Classifications
E; E02; E02B; E02B15/00; E02B15/04; E02B15/048
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
142 words
A skimmer for a water body having an open surface comprising a float, a screen-like basket, means for suspending said basket immediately below said float, means on said float and said basket defining a mouth opening in one direction into said basket and extending both above and below said surface, a shaft, means for mounting said shaft centrally on said float to extend along a vertical axis, a ring in plan encompassing said float and said basket, means for connecting said ring coaxially with said shaft, means for propelling said float and basket including a propeller adapted to exert propulsive force along a line, and means for mounting said propelling means upon said float with said line extending in said direction and to one side of said vertical axis whereby said propeller exerts a torque upon said float about said vertical axis.
Claim 2
Dependent Claim
142 words
A skimmer for a water body having an open surface comprising a float, a screen-like basket, means for suspending said basket immediately below said float, means on said float and said basket defining a mouth opening in one direction into said basket and extending both above and below said surface, a shaft, means for mounting said shaft centrally on said float to extend along a vertical axis, a ring in plan encompassing said float and said basket, means for connecting said ring coaxially with said shaft, means for propelling said float and basket including a propeller adapted to exert propulsive force along a line, and means for mounting said propelling means upon said float with said line extending in said direction and to one side of said vertical axis whereby said propeller exerts a torque upon said float about said vertical axis.
Claim 3
Dependent Claim
22 words
A skimmer as in claim 1 including means for supporting said shaft and said guard ring for free rotation about said axis.
Claim 4
Dependent Claim
25 words
A skimmer as in claim 2 in which said supporting means includes a bearing disposed on said supporting means and is entirely above said water.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-22 | 1977-04-23 | 1977-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-22 | 1981-04-23 | 1981-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-22 | 1985-04-23 | 1985-10-23 | $7700.00 | Window Closed / Lapsed |