US3079868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible hose pump
Assignee: Individual
•
Filing: 1960-11-25
•
Granted: 1963-03-05
•
Expires: 1980-11-25
Abstract
No abstract record available.
Inventors
- 👤 Thomas F Ormsby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:55
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/12; F04B43/1253; F04B43/1292; F04B43/1276; F04B43/1284
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
IN A PUMP FOR PUMPING FLUIDS, A BASE, A PAIR OF SPACED APART END PLATES MOUNTED ON SAID BASE AND EXTENDING UPWARD THEREFROM, EACH OF SAID END PLATES HAVING AN ABUTMENT THEREON ON THE INNER FACE THEREOF, A BACK-UP PLATE POSITIONED AGAINST SAID ABUTMENTS ON SAID END PLATES, MEANS HOLDING SAID BACK-UP PLATE IN FIXED RELATION WITH RESPECT TO SAID END PLATES, SAID BACK-UP PLATE HAVING AT LEAST A PORTION THEREOF DEFINING A CONCAVE ARCUATE SURFACE, SAID END PLATES EACH BEING APERTURED SO THE AXIS OF SAID ARCUATE, CONCAVE PORTION OF SAID BACK-UP PLATE WILL EXTEND THERETHROUGH, A MANIFOLD MOUNTED ON SAID BASE AND EXTENDING SUBSTANTIALLY THE FULL LENGTH OF SAID CONCAVE, ARCUATE PORTION OF SAID BACK-UP PLATE, A PLURALITY OF HOSE CONNECTED IN FLUID COMMUNICATION WITH SAID MANIFOLD AND EXTENDING ALONG SAID ARCUATE, CONCAVE SURFACE OF SAID BACK-UP PLATE, AN OUTLET PIPE CONNECTED TO EACH SAID ELASTOMER HOSE, A SHAFT EXTENDING THROUGH THE RESPECTIVE APERTURES IN SAID END PLATES AND BEING JOURNALED THEREIN, A PAIR OF ROLLER SUPPORT MEMBERS MOUNTED ON SAID SHAFT, ONE IN CLOSE PROXIMITY TO EACH INNER FACE OF SAID RESPECTIVE END PLATES, A PLURALITY OF ROLLER MEMBERS
Claim 2
Dependent Claim
192 words
IN A PUMP FOR PUMPING FLUIDS, A BASE, A PAIR OF SPACED APART END PLATES MOUNTED ON SAID BASE AND EXTENDING UPWARD THEREFROM, EACH OF SAID END PLATES HAVING AN ABUTMENT THEREON ON THE INNER FACE THEREOF, A BACK-UP PLATE POSITIONED AGAINST SAID ABUTMENTS ON SAID END PLATES, MEANS HOLDING SAID BACK-UP PLATE IN FIXED RELATION WITH RESPECT TO SAID END PLATES, SAID BACK-UP PLATE HAVING AT LEAST A PORTION THEREOF DEFINING A CONCAVE ARCUATE SURFACE, SAID END PLATES EACH BEING APERTURED SO THE AXIS OF SAID ARCUATE, CONCAVE PORTION OF SAID BACK-UP PLATE WILL EXTEND THERETHROUGH, A MANIFOLD MOUNTED ON SAID BASE AND EXTENDING SUBSTANTIALLY THE FULL LENGTH OF SAID CONCAVE, ARCUATE PORTION OF SAID BACK-UP PLATE, A PLURALITY OF HOSE CONNECTED IN FLUID COMMUNICATION WITH SAID MANIFOLD AND EXTENDING ALONG SAID ARCUATE, CONCAVE SURFACE OF SAID BACK-UP PLATE, AN OUTLET PIPE CONNECTED TO EACH SAID ELASTOMER HOSE, A SHAFT EXTENDING THROUGH THE RESPECTIVE APERTURES IN SAID END PLATES AND BEING JOURNALED THEREIN, A PAIR OF ROLLER SUPPORT MEMBERS MOUNTED ON SAID SHAFT, ONE IN CLOSE PROXIMITY TO EACH INNER FACE OF SAID RESPECTIVE END PLATES, A PLURALITY OF ROLLER MEMBERS
References Cited (Backward Citations)
US1848024A
Cited
US2913992A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |