Patent US4240462A successfully refreshed from Google Patents.
US4240462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recessed valve
Assignee: Grohe Water Technology AG and Co KG
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Filing: 1978-12-19
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Granted: 1980-12-23
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Expires: 1998-12-19
Abstract
Abstract A recessed valve includes a protective valve cover sleeve and an actuating spindle, wherein the sleeve is provided with spaced-apart circumferential notches which permit an installer to shorten the sleeve in steps. The spindle has similar notches which also permit shortening its length.
Inventors
- 👤 Norbert Bankstahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:42
CPC Classifications
F; F16; F16K; F16K27/00; F16K27/08; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/6851; Y10T137/7043; Y10T137/8811
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
152 words
A recessed valve comprising: a valve casing having apertures for connection to supply lines; valve means; an actuating spindle coupled at one end to said valve means and having adjacent its other end a serrated surface portion, said serrated surface portion including a first plurality of circumferential notches each of said first plurality of notches providing a weakened portion such that said spindle may be shortened; a protective sleeve surrounding said spindle, said protective sleeve having a radially inward projecting flange at one end, and a portion adjacent the other end having a second plurality of circumferential notches, each of said second plurality of notches providing a weakened portion such that said sleeve may be shortened; and an actuating handle having a bore adapted to receive said other end of said spindle, said handle being rotatably mounted on said flange and including means adapted to engage said flange for limiting axial movement.
Claim 2
Dependent Claim
152 words
A recessed valve comprising: a valve casing having apertures for connection to supply lines; valve means; an actuating spindle coupled at one end to said valve means and having adjacent its other end a serrated surface portion, said serrated surface portion including a first plurality of circumferential notches each of said first plurality of notches providing a weakened portion such that said spindle may be shortened; a protective sleeve surrounding said spindle, said protective sleeve having a radially inward projecting flange at one end, and a portion adjacent the other end having a second plurality of circumferential notches, each of said second plurality of notches providing a weakened portion such that said sleeve may be shortened; and an actuating handle having a bore adapted to receive said other end of said spindle, said handle being rotatably mounted on said flange and including means adapted to engage said flange for limiting axial movement.
Claim 3
Dependent Claim
28 words
A recessed valve in accordance with claim 1, wherein said circumferential notches on said sleeve and said circumferential notches on said spindle are spaced apart by equal intervals.
Claim 4
Dependent Claim
21 words
A recessed valve in accordance with claim 1, wherein said circumferential notches are arranged at an approximate interval of 5 mm.
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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) | 1983-12-23 | 1984-06-23 | 1984-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-12-23 | 1988-06-23 | 1988-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-12-23 | 1992-06-23 | 1992-12-23 | $7700.00 | Window Closed / Lapsed |