Patent US1544443A successfully refreshed from Google Patents.
Patent US3782552A successfully refreshed from Google Patents.
US3782552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floating suction nozzle
Assignee: Individual
•
Filing: 1972-03-22
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Granted: 1974-01-01
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Expires: 1992-03-22
Abstract
Abstract A floating suction head for preventing the intake of matter such as debris from a liquid is described.
Inventors
- 👤 S Wendell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:46
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A floating suction head comprising a submersible housing with a cylindrical sidewall comprising a channel for the flow of liquid therein and having a single discharge outlet rigidly coupled to said cylindrical sidewall, said outlet further comprising a lateral flexible tube connected to a suction device, inlet means including filter means for drawing liquid into said housing, a counter-weight within said housing connected to said cylindrical sidewall at a location oppositely spaced from said single discharge outlet and a buoyant plate of polyurethane foam covering the upper end of said housing to floatingly support said housing and maintain its level in said liquid.
Claim 2
Dependent Claim
103 words
A floating suction head comprising a submersible housing with a cylindrical sidewall comprising a channel for the flow of liquid therein and having a single discharge outlet rigidly coupled to said cylindrical sidewall, said outlet further comprising a lateral flexible tube connected to a suction device, inlet means including filter means for drawing liquid into said housing, a counter-weight within said housing connected to said cylindrical sidewall at a location oppositely spaced from said single discharge outlet and a buoyant plate of polyurethane foam covering the upper end of said housing to floatingly support said housing and maintain its level in said liquid.
References Cited (Backward Citations)
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US1605207A
Cited
US1644248A
Cited
US2318220A
Cited
US3109812A
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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) | 1976-12-31 | 1977-07-02 | 1978-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-31 | 1981-07-02 | 1982-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-31 | 1985-07-02 | 1986-01-01 | $7700.00 | Window Closed / Lapsed |