Patent US3252328A successfully refreshed from Google Patents.
US3252328A
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US
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Multiple stage sampler
Assignee: Galigher Co
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Filing: 1963-11-27
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Granted: 1966-05-24
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Expires: 1983-11-27
Abstract
No abstract record available.
Inventors
- 👤 Fred R Huntington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:05
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/10; G01N1/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A MULTIPLE STAGE SAMPLER, INCLUDING A FIRST STAGE UNIT HAVING A CHANNEL SHAPED CUTTER HEAD; SUPPORT MEANS FOR SAID CUTTER HEAD; FLUID OPERATED MEANS FOR MOVING SAID CUTTER HEAD TRANSVERSELY ACROSS A STREAM OF MATERIAL TO BE SAMPLED; A SECOND STAGE UNIT HAVING A HOUSING, AN INLET HOPPER WITH A RECEIVING OPENING POSITIONED TO RECEIVE MATERIAL FROM SAID CUTTER HEAD AND A DISCHARGE OPENING, A MOVABLE FEED HOPPER WITHIN THE HOUSING HAVING AN INLET OPENING AT ALL TIMES POSITIONED TO RECEIVE MATERIAL FROM THE DISCHARGE OPENING OF THE INLET HOPPER AND AN OUTLET OPENINGS, FLUID OPERATED MEANS FOR RECIPROCATING SAID FEED HOPPER, A FIXED DISCHARGE OPENING EXTENDING FROM A LOCATION WITHIN SAID HOUSING INTERMEDIATE THE PATH OF TRAVEL OF THE MOVABLE FEED HOPPER WHEREBY MATERIAL IN SAID MOVABLE FEED HOPPER IS DIRECTED INTO SAID FIXED DISCHARGE OPENING WHEN THE MOVABLE FEED HOPPER IS THEREABOVE, AND INTO THE HOUSING WHEN THE MOVABLE FEED HOPPER IS AT EITHER SIDE OF THE FIXED DISCHARGE OPENING.
Claim 2
Dependent Claim
162 words
A MULTIPLE STAGE SAMPLER, INCLUDING A FIRST STAGE UNIT HAVING A CHANNEL SHAPED CUTTER HEAD; SUPPORT MEANS FOR SAID CUTTER HEAD; FLUID OPERATED MEANS FOR MOVING SAID CUTTER HEAD TRANSVERSELY ACROSS A STREAM OF MATERIAL TO BE SAMPLED; A SECOND STAGE UNIT HAVING A HOUSING, AN INLET HOPPER WITH A RECEIVING OPENING POSITIONED TO RECEIVE MATERIAL FROM SAID CUTTER HEAD AND A DISCHARGE OPENING, A MOVABLE FEED HOPPER WITHIN THE HOUSING HAVING AN INLET OPENING AT ALL TIMES POSITIONED TO RECEIVE MATERIAL FROM THE DISCHARGE OPENING OF THE INLET HOPPER AND AN OUTLET OPENINGS, FLUID OPERATED MEANS FOR RECIPROCATING SAID FEED HOPPER, A FIXED DISCHARGE OPENING EXTENDING FROM A LOCATION WITHIN SAID HOUSING INTERMEDIATE THE PATH OF TRAVEL OF THE MOVABLE FEED HOPPER WHEREBY MATERIAL IN SAID MOVABLE FEED HOPPER IS DIRECTED INTO SAID FIXED DISCHARGE OPENING WHEN THE MOVABLE FEED HOPPER IS THEREABOVE, AND INTO THE HOUSING WHEN THE MOVABLE FEED HOPPER IS AT EITHER SIDE OF THE FIXED DISCHARGE OPENING.
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) | 1969-05-23 | 1969-11-22 | 1970-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-23 | 1973-11-22 | 1974-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-23 | 1977-11-22 | 1978-05-24 | $7700.00 | Window Closed / Lapsed |