Patent US3110183A successfully refreshed from Google Patents.
US3110183A
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Assignee: Denver Equipment Co
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Filing: 1960-01-27
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Granted: 1963-11-12
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Expires: 1980-01-27
Abstract
No abstract record available.
Inventors
- 👤 Leland H Logue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:17
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/10; G01N1/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
208 words
IN A SAMPLER OF THE TYPE HAVING MEANS FOR MOVEMENT OF ITS MATERIAL CONTAINER BACK AND FORTH THROUGH A SAMPLE-TAKING ZONE TO STOP POSITIONS AT TWO POINTS OUTSIDE SAID ZONE, AND PROVIDING A UNIFORM RATE OF MOVEMENT FOR EACH PASS, AND A TIME-CONTROLLED OPERATING CYCLE, THE IMPROVEMENT WHICH COMPRISES A PAIR OF HINGED MATERIALCONFINING SURFACES, EACH SURFACE HAVING A PORTION ADAPTED TO COOPERATE WITH THE OTHER AND ABUT IN SUBSTANTIALLY MATERIAL-HOLDING RELATION TO EACH OTHER MOVABLE ABOUT THEIR HINGES FOR GRAVITATIONAL DISCHARGE OF MATERIAL FROM THE CONTAINER BY SEPARATION OF SAID SURFACES AND EACH OF SAID SURFACES HAVING AN EXTERIOR PORTION EXTENDING UPWARDLY FROM THE HINGED PORTION, MEANS ADJACENT EACH OF THE STOP POSITIONS IN THE PATH OF THE UPWARDLY EXTENDING PORTIONS EXTENDING FOR ENGAGEMENT THEREWITH SO AS TO MOVE ONE OF THE HINGED SURFACES AWAY FROM THE ABUTTING MATERIAL-HOLDING POSITION ON ARRIVAL OF THE CONTAINER AT ONE OF SAID STOP POSITIONS AND THEREBY EFFECT A GRAVITATIONAL DISCHARGE OF THE CONTENTS AT SUCH POSITIONS, AND SAID HINGED MEMBERS BEING SPRING BIASED FOR MOVEMENT INTO SAID ABUTTING SUBSTANTIALLY MATERIAL-HOLDING POSITION WHEN THE EXTENSION PORTION IS MOVED OUT OF CONTACT WITH SAID MEANS SO AS TO CONFINE A SAMPLE IN THE CONTAINER IN THE NEXT PASS THROUGH THE SAMPLE-TAKING ZONE.
Claim 2
Dependent Claim
208 words
IN A SAMPLER OF THE TYPE HAVING MEANS FOR MOVEMENT OF ITS MATERIAL CONTAINER BACK AND FORTH THROUGH A SAMPLE-TAKING ZONE TO STOP POSITIONS AT TWO POINTS OUTSIDE SAID ZONE, AND PROVIDING A UNIFORM RATE OF MOVEMENT FOR EACH PASS, AND A TIME-CONTROLLED OPERATING CYCLE, THE IMPROVEMENT WHICH COMPRISES A PAIR OF HINGED MATERIALCONFINING SURFACES, EACH SURFACE HAVING A PORTION ADAPTED TO COOPERATE WITH THE OTHER AND ABUT IN SUBSTANTIALLY MATERIAL-HOLDING RELATION TO EACH OTHER MOVABLE ABOUT THEIR HINGES FOR GRAVITATIONAL DISCHARGE OF MATERIAL FROM THE CONTAINER BY SEPARATION OF SAID SURFACES AND EACH OF SAID SURFACES HAVING AN EXTERIOR PORTION EXTENDING UPWARDLY FROM THE HINGED PORTION, MEANS ADJACENT EACH OF THE STOP POSITIONS IN THE PATH OF THE UPWARDLY EXTENDING PORTIONS EXTENDING FOR ENGAGEMENT THEREWITH SO AS TO MOVE ONE OF THE HINGED SURFACES AWAY FROM THE ABUTTING MATERIAL-HOLDING POSITION ON ARRIVAL OF THE CONTAINER AT ONE OF SAID STOP POSITIONS AND THEREBY EFFECT A GRAVITATIONAL DISCHARGE OF THE CONTENTS AT SUCH POSITIONS, AND SAID HINGED MEMBERS BEING SPRING BIASED FOR MOVEMENT INTO SAID ABUTTING SUBSTANTIALLY MATERIAL-HOLDING POSITION WHEN THE EXTENSION PORTION IS MOVED OUT OF CONTACT WITH SAID MEANS SO AS TO CONFINE A SAMPLE IN THE CONTAINER IN THE NEXT PASS THROUGH THE SAMPLE-TAKING ZONE.
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) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |