Patent US3244013A successfully refreshed from Google Patents.
US3244013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaphragm retaining structure for hydraulic control devices
Assignee: Individual
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Filing: 1964-08-13
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Granted: 1966-04-05
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Expires: 1984-08-13
Abstract
No abstract record available.
Inventors
- 👤 Richard E Deschner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:01
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/08; F15B15/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
IN A DEVICE HAVING A RECIPROCATIVE PLUNGER AND A HOUSING WITH A BORE ENCLOSING A FLEXIBLE DIAPHRAGM FOR CONTAINING FLUID, SAID BORE HAVING A WALL, SAID DIAPHRAGM HAVING A TUBULAR PORTION TERMINATING IN A RESILIENT ANNULUS, DIAPHRAGM SUPPORTING AND ANCHORING STRUCTURE COMPRISING: A DUAL PURPOSE SUPPORT AND ANCHOR TUBE HELD WITHIN SAID HOUSING BORE SURROUNDING AND SUPPORTING SAID TUBULAR PORTION OF THE DIAPHRAGM, SAID ANCHOR TUBE HAVING AN END BEARING AGAINST SAID RESILIENT ANNULUS, RETAINER MEANS HELD WITHIN THE HOUSING BORE HAVING A SMALL DIAMETER PORTION AND A LARGE DIAMETER PORTION WITH A CIRCUMFERENTIAL LATERAL SHOULDER THEREBETWEEN, SAID SMALL DIAMETER PORTION EXTENDING AXIALLY WITHIN THE RESILIENT, ANNULUS, SAID LARGE DIAMETER PORTION HAVING A CONFORMING FIT WITHIN THE HOUSING BORE WALL, AT LEAST A PORTION OF THE RESILIENT ANNULUS BEING ENCLOSED AND COMPRESSED BETWEEN SAID HOUSING BORE WALL, SAID END OF THE ANCHOR TUBE, AND SAID RETAINER MEANS, PORTIONS OF THE HOUSING BORE WALL AND
Claim 2
Dependent Claim
154 words
IN A DEVICE HAVING A RECIPROCATIVE PLUNGER AND A HOUSING WITH A BORE ENCLOSING A FLEXIBLE DIAPHRAGM FOR CONTAINING FLUID, SAID BORE HAVING A WALL, SAID DIAPHRAGM HAVING A TUBULAR PORTION TERMINATING IN A RESILIENT ANNULUS, DIAPHRAGM SUPPORTING AND ANCHORING STRUCTURE COMPRISING: A DUAL PURPOSE SUPPORT AND ANCHOR TUBE HELD WITHIN SAID HOUSING BORE SURROUNDING AND SUPPORTING SAID TUBULAR PORTION OF THE DIAPHRAGM, SAID ANCHOR TUBE HAVING AN END BEARING AGAINST SAID RESILIENT ANNULUS, RETAINER MEANS HELD WITHIN THE HOUSING BORE HAVING A SMALL DIAMETER PORTION AND A LARGE DIAMETER PORTION WITH A CIRCUMFERENTIAL LATERAL SHOULDER THEREBETWEEN, SAID SMALL DIAMETER PORTION EXTENDING AXIALLY WITHIN THE RESILIENT, ANNULUS, SAID LARGE DIAMETER PORTION HAVING A CONFORMING FIT WITHIN THE HOUSING BORE WALL, AT LEAST A PORTION OF THE RESILIENT ANNULUS BEING ENCLOSED AND COMPRESSED BETWEEN SAID HOUSING BORE WALL, SAID END OF THE ANCHOR TUBE, AND SAID RETAINER MEANS, PORTIONS OF THE HOUSING BORE WALL AND
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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |