Patent US3227091A successfully refreshed from Google Patents.
US3227091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressible tube pump
Assignee: Bayer Corp
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Filing: 1963-10-04
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Granted: 1966-01-04
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Expires: 1983-10-04
Abstract
No abstract record available.
Inventors
- 👤 Isreeli Jack
- 👤 Richard H Heimann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:50
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/12; F04B43/1223
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
IN A PUMP HAVING A PLURALITY OF RESILIENTLY FLEXIBLE TUBES DISPOSED LATERALLY OF EACH OTHER FOR THE DELIVERY OF A PLURALITY OF FLUIDS IN PREDETERMINED RELATIVE PROPORTIONS IN ACCORDANCE WITH THE RESPECTIVE INNER DIAMETERS OF SAID TUBES, A PLURALITY OF ROLLERS DISPOSED TO ONE SIDE OF SAID TUBES AND OPERABLE TO CONTACT SAID TUBES SIMULTANEOUSLY AND PROGRESSIVELY ALONG THE RESPCTIVE LENGTHS THEREOF, A PLATEN DISPOSED TO A SUBSTANTIALLY OPPOSITE SIDE OF SAID TUBES AND ADAPTED TO CONTACT SAID TUBES SIMULTANEOUSLY WITH THE CONTACTING THEREOF BY SAID ROLLERS WHEREBY SAID TUBES MAY BE SIMULTANEOUSLY AND PROGRESSIVELY COMPRESSED THEREBETWEEN, SAID PLATEN BEING MOVABLE RELATIVE TO SAID TUBES FROM A FIRST POSITION IN WHICH SAID PLATEN DOES NOT CONTACT SAID TUBES TO A SECOND POSITION IN WHICH SAID PLATEN DOES CONTACT SAID TUBES, MANUALLY OPERABLE MEANS FOR RECEIVING A FORCE FOR MOVING SAID PLATEN FROM SAID FIRST TO SAID SECOND POSITION,
Claim 2
Dependent Claim
148 words
IN A PUMP HAVING A PLURALITY OF RESILIENTLY FLEXIBLE TUBES DISPOSED LATERALLY OF EACH OTHER FOR THE DELIVERY OF A PLURALITY OF FLUIDS IN PREDETERMINED RELATIVE PROPORTIONS IN ACCORDANCE WITH THE RESPECTIVE INNER DIAMETERS OF SAID TUBES, A PLURALITY OF ROLLERS DISPOSED TO ONE SIDE OF SAID TUBES AND OPERABLE TO CONTACT SAID TUBES SIMULTANEOUSLY AND PROGRESSIVELY ALONG THE RESPCTIVE LENGTHS THEREOF, A PLATEN DISPOSED TO A SUBSTANTIALLY OPPOSITE SIDE OF SAID TUBES AND ADAPTED TO CONTACT SAID TUBES SIMULTANEOUSLY WITH THE CONTACTING THEREOF BY SAID ROLLERS WHEREBY SAID TUBES MAY BE SIMULTANEOUSLY AND PROGRESSIVELY COMPRESSED THEREBETWEEN, SAID PLATEN BEING MOVABLE RELATIVE TO SAID TUBES FROM A FIRST POSITION IN WHICH SAID PLATEN DOES NOT CONTACT SAID TUBES TO A SECOND POSITION IN WHICH SAID PLATEN DOES CONTACT SAID TUBES, MANUALLY OPERABLE MEANS FOR RECEIVING A FORCE FOR MOVING SAID PLATEN FROM SAID FIRST TO SAID SECOND POSITION,
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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |