Patent US2261648A successfully refreshed from Google Patents.
US3289999A
Expired / Lapsed
US
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Flow regulator for flexible tubes
Assignee: Individual
•
Filing: 1963-05-16
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Granted: 1966-12-06
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Expires: 1983-05-16
Abstract
No abstract record available.
Inventors
- 👤 Peter A Konzak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:17
CPC Classifications
A; A61; A61M; A61M39/00; A61M39/22; A61M39/28; A61M39/285; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3936; Y10T24/394
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN APPARATUS FOR ADMINISTERING FLUID PARENTERALLY, A LENGTH OF ELASTIC TUBING AND A FLOW REGULATOR COMPRISING A ROTATABLE WHEEL MEMBER, THE PERIPHERY OF SAID WHEEL MEMBER BEING PROVIDED WITH A SERIES OF ELEVATIONS OF RESPECTIVELY GRADUATED HEIGHT AS MEASURED FROM THE AXIS OF SAID WHEEL MEMBER, SAID ELEVATIONS BEING SEPARATED BY INTERVENING RECESSES OF THE PERIPHERY OF SAID WHEEL MEMBER, A FRAME MEMBER SUPPORTING SAID WHEEL, SAID FRAME MEMBER BEING PROVIDED WITH A TUBE ENGAGING PORTION, SAID ELEVATIONS BEING ADAPTED FOR DIRECT CONTACT WITH SAID TUBING, WHEREBY EACH ELEVATION FORMS A POSITIVE CONSTRICTION IN THE OPENING OF SAID TUBE.
Claim 2
Dependent Claim
99 words
IN APPARATUS FOR ADMINISTERING FLUID PARENTERALLY, A LENGTH OF ELASTIC TUBING AND A FLOW REGULATOR COMPRISING A ROTATABLE WHEEL MEMBER, THE PERIPHERY OF SAID WHEEL MEMBER BEING PROVIDED WITH A SERIES OF ELEVATIONS OF RESPECTIVELY GRADUATED HEIGHT AS MEASURED FROM THE AXIS OF SAID WHEEL MEMBER, SAID ELEVATIONS BEING SEPARATED BY INTERVENING RECESSES OF THE PERIPHERY OF SAID WHEEL MEMBER, A FRAME MEMBER SUPPORTING SAID WHEEL, SAID FRAME MEMBER BEING PROVIDED WITH A TUBE ENGAGING PORTION, SAID ELEVATIONS BEING ADAPTED FOR DIRECT CONTACT WITH SAID TUBING, WHEREBY EACH ELEVATION FORMS A POSITIVE CONSTRICTION IN THE OPENING OF SAID TUBE.
References Cited (Backward Citations)
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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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |