US3105447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump construction
Assignee: Individual
•
Filing: 1961-08-28
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Granted: 1963-10-01
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Expires: 1981-08-28
Abstract
No abstract record available.
Inventors
- 👤 Ruppert Robert Gene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:26
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/12; F04B43/1253; F04B43/0009; F04B43/0054; F04B43/0072
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
205 words
IN A PUMP OF THE CLASS DESCRIBED, AN INNER TUBE HAVING AN INLET END AND AN OUTLET END, MEANS FOR PROGRESSIVELY COMPRESSING SAID INNER TUBE BETWEEN SAID INLET END AND SAID OUTLET END AND THEREBY PROPELLING LIQUID THERETHROUGH, AND MEANS FOR LUBRICATING AND COOLING SAID INNER TUBE COMPRISING A CONCENTRIC OUTER TUBE EXTENDING ALONG SAID INNER TUBE AND SPACED FROM THE PERIPHERY THEREOF, MEANS SEALING THE ENDS OF SAID CONCENTRIC OUTER TUBE, AN INLET INTO SAID CONCENTRIC OUTER TUBE ADJACENT SAID INLET END OF SAID INNER TUBE, AN OUTLET FROM SAID CONCENTRIC OUTER TUBE ADJACENT THE OUTLET FROM SAID INNER TUBE, A COOLANT STORAGE RESERVOIR; A FLUID CONNECTION FROM SAID COOLANT STORAGE RESERVOIR TO SAID INLET TO SAID OUTER TUBE, AND A RETURN CONNECTION FROM SAID OUTLET FROM SAID OUTER TUBE TO SAID COOLANT STORAGE RESERVOIR, SAID MEANS FOR PROGRESSIVELY COMPRESSING SAID INNER TUBE FROM THE INLET END THEREOF TO THE OUTLET END THEREOF ALSO PROGRESSIVELY COMPRESSING SAID OUTER TUBE FROM THE INLET END THEREOF TO THE OUTLET END THEREOF AND EFFECTING THE CONTINUOUS CIRCULATION OF COOLANT WITHIN SAID CONCENTRIC OUTER TUBE FROM SAID INLET TO SAID OUTER TUBE THROUGH SAID OUTLET FROM SAID OUTER TUBE AND ALONG THE OUTER SIDE OF SAID INNER TUBE.
Claim 2
Dependent Claim
205 words
IN A PUMP OF THE CLASS DESCRIBED, AN INNER TUBE HAVING AN INLET END AND AN OUTLET END, MEANS FOR PROGRESSIVELY COMPRESSING SAID INNER TUBE BETWEEN SAID INLET END AND SAID OUTLET END AND THEREBY PROPELLING LIQUID THERETHROUGH, AND MEANS FOR LUBRICATING AND COOLING SAID INNER TUBE COMPRISING A CONCENTRIC OUTER TUBE EXTENDING ALONG SAID INNER TUBE AND SPACED FROM THE PERIPHERY THEREOF, MEANS SEALING THE ENDS OF SAID CONCENTRIC OUTER TUBE, AN INLET INTO SAID CONCENTRIC OUTER TUBE ADJACENT SAID INLET END OF SAID INNER TUBE, AN OUTLET FROM SAID CONCENTRIC OUTER TUBE ADJACENT THE OUTLET FROM SAID INNER TUBE, A COOLANT STORAGE RESERVOIR; A FLUID CONNECTION FROM SAID COOLANT STORAGE RESERVOIR TO SAID INLET TO SAID OUTER TUBE, AND A RETURN CONNECTION FROM SAID OUTLET FROM SAID OUTER TUBE TO SAID COOLANT STORAGE RESERVOIR, SAID MEANS FOR PROGRESSIVELY COMPRESSING SAID INNER TUBE FROM THE INLET END THEREOF TO THE OUTLET END THEREOF ALSO PROGRESSIVELY COMPRESSING SAID OUTER TUBE FROM THE INLET END THEREOF TO THE OUTLET END THEREOF AND EFFECTING THE CONTINUOUS CIRCULATION OF COOLANT WITHIN SAID CONCENTRIC OUTER TUBE FROM SAID INLET TO SAID OUTER TUBE THROUGH SAID OUTLET FROM SAID OUTER TUBE AND ALONG THE OUTER SIDE OF SAID INNER TUBE.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |