US3227092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pump
Assignee: Individual
•
Filing: 1963-10-28
•
Granted: 1966-01-04
•
Expires: 1983-10-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Leland C Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:52
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/12; F04B43/1223
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A FLUID PUMP COMPRISING: (A) A SUPPORTING PLATE HAVING AN OPENING THERETHROUGH, (B) AN ENDLESS DRIVE ASSEMBLY HAVING A SECTION THEREOF EXTENDING INWARDLY OF SAID OPENING, (C) ROLLERS CARRIED BY SAID ENDLESS DRIVE ASSEMBLY IN SPACED RELATION TO EACH OTHER AND EXTENDING TRANSVERSELY OF SAID OPENING, (D) AT LEAST ONE TUBE EXTENDING ACROSS SAID OPENING AND TRANSVERSELY OF SAID ROLLERS IN POSITION TO BE CONTACTED BY SAID ROLLERS, (E) MEANS ENGAGING SAID TUBE AT OPPOSITE ENDS OF SAID OPENING TO LIMIT LONGITUDINAL MOVEMENT OF SAID TUBE, (F) A PLATEN MOUNTED ALONGSIDE SAID SECTION OF THE ENDLESS DRIVE ASSEMBLY IN POSITION TO ENGAGE THE OPPOSITE SIDE OF SAID TUBE FROM THE SIDE THEREOF ENGAGED BY SAID ROLLERS AND ADAPTED FOR MOVEMENT TOWARD AND AWAY FROM SAID ROLLERS TO ENGAGE AND DISENGAGE SAID TUBE, AND (G) MEANS TO HOLD SAID PLATEN IN SELECTED POSITIONS RELATIVE TO SAID ROLLERS TO EXERT A PREDETERMINED PRESSURE AGAINST SAID TUBE WHILE IN ONE POSITION AND TO RELEASE SAID TUBE WHILE IN ANOTHER POSITION.
Claim 2
Dependent Claim
167 words
A FLUID PUMP COMPRISING: (A) A SUPPORTING PLATE HAVING AN OPENING THERETHROUGH, (B) AN ENDLESS DRIVE ASSEMBLY HAVING A SECTION THEREOF EXTENDING INWARDLY OF SAID OPENING, (C) ROLLERS CARRIED BY SAID ENDLESS DRIVE ASSEMBLY IN SPACED RELATION TO EACH OTHER AND EXTENDING TRANSVERSELY OF SAID OPENING, (D) AT LEAST ONE TUBE EXTENDING ACROSS SAID OPENING AND TRANSVERSELY OF SAID ROLLERS IN POSITION TO BE CONTACTED BY SAID ROLLERS, (E) MEANS ENGAGING SAID TUBE AT OPPOSITE ENDS OF SAID OPENING TO LIMIT LONGITUDINAL MOVEMENT OF SAID TUBE, (F) A PLATEN MOUNTED ALONGSIDE SAID SECTION OF THE ENDLESS DRIVE ASSEMBLY IN POSITION TO ENGAGE THE OPPOSITE SIDE OF SAID TUBE FROM THE SIDE THEREOF ENGAGED BY SAID ROLLERS AND ADAPTED FOR MOVEMENT TOWARD AND AWAY FROM SAID ROLLERS TO ENGAGE AND DISENGAGE SAID TUBE, AND (G) MEANS TO HOLD SAID PLATEN IN SELECTED POSITIONS RELATIVE TO SAID ROLLERS TO EXERT A PREDETERMINED PRESSURE AGAINST SAID TUBE WHILE IN ONE POSITION AND TO RELEASE SAID TUBE WHILE IN ANOTHER 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 |