Patent US3267737A successfully refreshed from Google Patents.
US3267737A
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Sampling apparatus
Assignee: MINNEAPOLIS ST PAUL SANITARY D
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Filing: 1963-10-28
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Granted: 1966-08-23
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Expires: 1983-10-28
Abstract
No abstract record available.
Inventors
- 👤 Karl A Biebighauser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:57
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/10; G01N1/12; G01N2001/1031; G01N2001/1043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
IN A SAMPLING APPARATUS THE COMBINATION INCLUDING AN AIR CYLINDER PROVIDED WITH A PISTON CHAMBER AND A RECIPROCAL PISTON THEREIN, A SHAFT OPERATIVELY CONNECTED TO SAID PISTON AND PROVIDED WITH A SAMPLING CUP AND A CAM FOLLOWER SAID SHAFT BEING DISPOSED ADJACENT THE SURFACE OF A FLUID MATERIAL TO BE SAMPLED AND ANGULARLY DISPOSED WITH RESPECT THERETO, A CYLINDRICAL CAM MEANS ATTACHED TO ONE END OF SAID AIR CYLINDER AND SURROUNDING SAID SHAFT, A CAM SURFACE IN SAID CAM AND CIRCUMSCRIBING A SUBSTANTIALLY HELICAL PATH AROUND A PORTION OF SAID CAM AND SAID SHAFT, SAID FOLLOWER OPERATIVELY ENGAGING SAID CAM SURFACE AND COOPERATING WITH SAID SURFACE TO ROTATE SAID SHAFT AND SAID CUP BETWEEN A FIRST EXTENDED UPRIGHT MATERIAL RECEIVING POSITION AND A SECOND RETRACTED MATERIAL DISCHARGE POSITION DURING THE ACTUATING OF SAID PISTON.
Claim 2
Dependent Claim
134 words
IN A SAMPLING APPARATUS THE COMBINATION INCLUDING AN AIR CYLINDER PROVIDED WITH A PISTON CHAMBER AND A RECIPROCAL PISTON THEREIN, A SHAFT OPERATIVELY CONNECTED TO SAID PISTON AND PROVIDED WITH A SAMPLING CUP AND A CAM FOLLOWER SAID SHAFT BEING DISPOSED ADJACENT THE SURFACE OF A FLUID MATERIAL TO BE SAMPLED AND ANGULARLY DISPOSED WITH RESPECT THERETO, A CYLINDRICAL CAM MEANS ATTACHED TO ONE END OF SAID AIR CYLINDER AND SURROUNDING SAID SHAFT, A CAM SURFACE IN SAID CAM AND CIRCUMSCRIBING A SUBSTANTIALLY HELICAL PATH AROUND A PORTION OF SAID CAM AND SAID SHAFT, SAID FOLLOWER OPERATIVELY ENGAGING SAID CAM SURFACE AND COOPERATING WITH SAID SURFACE TO ROTATE SAID SHAFT AND SAID CUP BETWEEN A FIRST EXTENDED UPRIGHT MATERIAL RECEIVING POSITION AND A SECOND RETRACTED MATERIAL DISCHARGE POSITION DURING THE ACTUATING OF SAID PISTON.
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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |