US3138111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple tube pump
Assignee: Bayer Corp
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Filing: 1962-11-21
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Granted: 1964-06-23
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Expires: 1982-11-21
Abstract
No abstract record available.
Inventors
- 👤 Nelson G Kling
- 👤 Gomez Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:43
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/12; F04B43/1223
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A MULTIPLE TUBE FLUID PUMP COMPRISING, A SUPPORT, A PLURALITY OF RESILIENTLY COMPRESSIBLE TUBES POSITIONED IN SIDE BY SIDE RELATION ON SAID SUPPORT, PRESSURE ROLLERS OPERABLE TO COMPRESS SAID TUBES PROGRESSIVELY ALONG THEIR LENGTHS FOR THE PUMPING OPERATION, MEANS FOR POSITIONING A PLURALITY OF SAID TUBES IN SAID SIDE BY SIDE RELATION IN EACH OF A PLURALITY OF LAYERS, AND MEANS ADAPTED TO BE INTERPOSED BETWEEN SAID LAYERS OF TUBES AND EXTENDING LONGITUDINALLY AND LATERALLY THEREOF WHEREBY PRESSURE APPLIED BY SAID ROLLERS ON SAID TUBES OF ONE OF SAID LAYERS IN THE PUMPING OPERATION IS TRANSMITTED TO SAID INTERPOSED MEANS FOR APPLYING PRESSURE TO THE TUBES OF SAID OTHER LAYERS FOR THE PUMPING OPERATION OF FLUID THROUGH SAID LAST MENTIONED TUBES.
Claim 2
Dependent Claim
121 words
A MULTIPLE TUBE FLUID PUMP COMPRISING, A SUPPORT, A PLURALITY OF RESILIENTLY COMPRESSIBLE TUBES POSITIONED IN SIDE BY SIDE RELATION ON SAID SUPPORT, PRESSURE ROLLERS OPERABLE TO COMPRESS SAID TUBES PROGRESSIVELY ALONG THEIR LENGTHS FOR THE PUMPING OPERATION, MEANS FOR POSITIONING A PLURALITY OF SAID TUBES IN SAID SIDE BY SIDE RELATION IN EACH OF A PLURALITY OF LAYERS, AND MEANS ADAPTED TO BE INTERPOSED BETWEEN SAID LAYERS OF TUBES AND EXTENDING LONGITUDINALLY AND LATERALLY THEREOF WHEREBY PRESSURE APPLIED BY SAID ROLLERS ON SAID TUBES OF ONE OF SAID LAYERS IN THE PUMPING OPERATION IS TRANSMITTED TO SAID INTERPOSED MEANS FOR APPLYING PRESSURE TO THE TUBES OF SAID OTHER LAYERS FOR THE PUMPING OPERATION OF FLUID THROUGH SAID LAST MENTIONED TUBES.
References Cited (Backward Citations)
US2865303A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |