US3783457A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drain cleaner
Assignee: Individual
•
Filing: 1972-06-20
•
Granted: 1974-01-08
•
Expires: 1992-06-20
Abstract
Abstract A vertical shaft is manipulated through a drain trap cover so as to lower a cleaning member into the drain trap and dislodge clogging substances therein. The vertical shaft is provided with a spring which urges it out of the drain trap when the cleaning member is not in use.
Inventors
- 👤 S Tornabene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:51
CPC Classifications
E; E03; E03D; E03D11/00; E03C; E03C1/00; E03C1/12; E03C1/30; E03C1/302
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
125 words
In combination with a drain trap in a floor and having at least one drain: a. a plate supported by the floor; b. a socket provided within the plate; c. a closure member removably engaged with the socket; d. an axial aperture formed in said closure member; e. a vertical shaft disposed within said axial aperture; f. a collar affixed to the upper portion of said vertical shaft; g. spring means seated between said closure member and said collar; h. radially extending means affixed to the bottom of said vertical shaft; i. said vertical shaft being depressible to lower said radially extending means into the drain trap and drain and being rotatable therein, whereby clogging substances in said drain trap and drain may be dislodged.
Claim 2
Dependent Claim
125 words
In combination with a drain trap in a floor and having at least one drain: a. a plate supported by the floor; b. a socket provided within the plate; c. a closure member removably engaged with the socket; d. an axial aperture formed in said closure member; e. a vertical shaft disposed within said axial aperture; f. a collar affixed to the upper portion of said vertical shaft; g. spring means seated between said closure member and said collar; h. radially extending means affixed to the bottom of said vertical shaft; i. said vertical shaft being depressible to lower said radially extending means into the drain trap and drain and being rotatable therein, whereby clogging substances in said drain trap and drain may be dislodged.
Claim 3
Dependent Claim
92 words
In a device according to claim 1, the said closure member including: a. a disc threadedly engaged with the socket; b. a boss formed on the upper portion of the disc; c. a cavity formed in the lower portion of the disc; d. said axial aperture extending through said boss and into said cavity; e. said axial aperture including a spaced region between the surface thereof and said vertical shaft; f. said cavity accommodating said radially extending means when said vertical shaft is urged by said spring means to a raised position.
Claim 4
Dependent Claim
18 words
In a device according to claim 1, said radially extending means including a plurality of radially extending elements.
Claim 5
Dependent Claim
22 words
In a device according to claim 1, said vertical shaft being provided with a horizontal handle formed integrally with said vertical shaft.
Claim 6
Dependent Claim
21 words
In a device according to claim 1, said spring means including a coiled compression spring accommodated annularly of said vertical shaft.
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) | 1977-01-07 | 1977-07-09 | 1978-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-07 | 1981-07-09 | 1982-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-07 | 1985-07-09 | 1986-01-08 | $7700.00 | Window Closed / Lapsed |