US4266304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flush tank water saver
Assignee: Individual
•
Filing: 1979-05-24
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Granted: 1981-05-12
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Expires: 1999-05-24
Abstract
Abstract A water-saving device for use in flush toilets including a water tank in which the water level is held at a predetermined level by a float valve controlled by a ball float, said water-saving device comprising a bouyant unitary member comprised of a tapered portion and a side portion integral with projecting laterally from one side of said tapered portion, said taper portion and side portion jointly forming a concave section for receipt of said ball float, the length of said concave section being over half but less than the entire length of said ball float, means for attaching said device to said ball float and means extending peripherally around said side portion for receipt of said attaching means.
Inventors
- 👤 Edward L. Kohrn
- 👤 Seymour Globus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:21
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/02; E03D1/14; E03D1/30; E03D1/33; Y; Y02; Y02A; Y02A20/00; Y02A20/40; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7404
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
145 words
In a flush toilet including a water tank in which the water level is held at a predetermined level by a float valve controlled by a ball float and a bouyant water-saving device attached to said ball float, the improvement wherein said bouyant water-saving device comprises a bouyant unitary member comprised of a tapered portion having a plurality of sides and a side portion integral with and projecting laterally from one of said sides of said tapered portion, said tapered portion and said portion jointly having a concave section for receipt of said ball float, the length of said concave section being over half but less than the entire length of said ball float, said tapered portion containing a lowermost wedge section, means for attaching said device to said ball float, and means extending peripherally around said side portion for receipt of said attaching means.
Claim 2
Dependent Claim
145 words
In a flush toilet including a water tank in which the water level is held at a predetermined level by a float valve controlled by a ball float and a bouyant water-saving device attached to said ball float, the improvement wherein said bouyant water-saving device comprises a bouyant unitary member comprised of a tapered portion having a plurality of sides and a side portion integral with and projecting laterally from one of said sides of said tapered portion, said tapered portion and said portion jointly having a concave section for receipt of said ball float, the length of said concave section being over half but less than the entire length of said ball float, said tapered portion containing a lowermost wedge section, means for attaching said device to said ball float, and means extending peripherally around said side portion for receipt of said attaching means.
Claim 3
Dependent Claim
24 words
A toilet according to claim 1 wherein a groove is provided in said concave section to accomodate the central joining rib of ball floats.
Claim 4
Dependent Claim
31 words
A toilet according to claim 1 wherein the front of the tapered device is comprised of a main panel flanked by two side panels tapered rearwardly away from said main panel.
Claim 5
Dependent Claim
14 words
A toilet according to claim 1 wherein the device is made of foamed polystyrene.
References Cited (Backward Citations)
US3387308A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-05-11 | 1984-11-10 | 1985-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-05-11 | 1988-11-10 | 1989-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-05-11 | 1992-11-10 | 1993-05-12 | $7700.00 | Window Closed / Lapsed |