Patent US3259352A successfully refreshed from Google Patents.
US3259352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Loading balancer assembly
Assignee: CONCO-TELLUS Inc
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Filing: 1965-06-22
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Granted: 1966-07-05
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Expires: 1985-06-22
Abstract
No abstract record available.
Inventors
- 👤 Robert A Olsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:59
CPC Classifications
B; B66; B66C; B66C13/00; B66C13/18; B25; B25H; B25H1/00; B25H1/0021; B25H1/0028; B66C23/00; B66C23/005; F; F15; F15B; F15B11/00; F15B11/02; F15B2211/00; F15B2211/20; F15B2211/205; F15B2211/2053; F15B2211/30; F15B2211/305; F15B2211/30525; F15B2211/3053; F15B2211/30535; F15B2211/40; F15B2211/405; F15B2211/40515; F15B2211/415; F15B2211/41554; F15B2211/42; F15B2211/428; F15B2211/46; F15B2211/60; F15B2211/605; F15B2211/615; F15B2211/635; F15B2211/6355; F15B2211/70; F15B2211/705; F15B2211/7051; F15B2211/7052; F15B2211/76; F15B2211/80; F15B2211/86; F15B2211/8616
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A LOADING BALANCER ASSEMBLY COMPRISING, A FRAME, A FIRST ARM PIVOTALLY MOUNTED ON SAID FRAME FOR PIVOTING ABOUT A FIRST AXIS, A SECOND ARM PIVOTED TO SAID FIRST ARM FOR PIVOTING ABOUT A SECOND AXIS, A FLUID CIRCUIT FOR APPLYING FORCE TO SAID FIRST ARM FOR BALANCING INCLUDING A PISTON AND CYLINDER OPERATIVELY CONNECTED TO SAID FIRST ARM, VALVE MEANS IN SAID CIRCUIT FOR SUPPLYING OPERATING FLUID UNDER PRESSURE TO SAID CYLINDER, A FIRST FLOW RESTRICTING ORIFICE IN SAID CIRCUIT FOR ESTABLISHING A MAXIMUM FLUID FLOW, A SECOND VARIABLE ORIFICE IN PARALLEL WITH SAID FIRST ORIFICE, AND MEANS RESPONSIVE TO THE LOAD CARRED BY SAID ASSEMBLY FOR SETTING SAID SECOND ORIFICE.
Claim 2
Dependent Claim
111 words
A LOADING BALANCER ASSEMBLY COMPRISING, A FRAME, A FIRST ARM PIVOTALLY MOUNTED ON SAID FRAME FOR PIVOTING ABOUT A FIRST AXIS, A SECOND ARM PIVOTED TO SAID FIRST ARM FOR PIVOTING ABOUT A SECOND AXIS, A FLUID CIRCUIT FOR APPLYING FORCE TO SAID FIRST ARM FOR BALANCING INCLUDING A PISTON AND CYLINDER OPERATIVELY CONNECTED TO SAID FIRST ARM, VALVE MEANS IN SAID CIRCUIT FOR SUPPLYING OPERATING FLUID UNDER PRESSURE TO SAID CYLINDER, A FIRST FLOW RESTRICTING ORIFICE IN SAID CIRCUIT FOR ESTABLISHING A MAXIMUM FLUID FLOW, A SECOND VARIABLE ORIFICE IN PARALLEL WITH SAID FIRST ORIFICE, AND MEANS RESPONSIVE TO THE LOAD CARRED BY SAID ASSEMBLY FOR SETTING SAID SECOND ORIFICE.
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) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |