Patent US354833A successfully refreshed from Google Patents.
Patent US3198017A successfully refreshed from Google Patents.
US3198017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for sampling bulk materials
Assignee: Birmingham Small Arms Co Ltd
•
Filing: 1962-07-31
•
Granted: 1965-08-03
•
Expires: 1982-07-31
Abstract
No abstract record available.
Inventors
- 👤 Taylor Wilfred
- 👤 Farrell James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:34
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/10; G01N1/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
95 words
APPARATUS FOR TAKING SAMPLES FROM THE ENTIRE CROSSSECTION OF A VERTICALLY FALLING STREAM OF BULK MATERIAL COMPRISING AN UPWARDLY OPEN CONTAINER MOUNTED FOR ROTATION ABOUT A VERTICAL AXIS CLOSELY ADJACENT SAID STREAM, SAID CONTAINER BEING SUBSTANTIALLY WEDGE SHAPED WITH ITS SMALLER END LOCATED NEARER SAID AXIS SO AS TO TAKE SUBSTANTIALLY THE SAME AMOUNT OF MATERIAL FROM EACH ZONE OF SAID STREAM RADIALLY OF SAID AXIS, AND MEANS AUTOMATTICALLY EFFECTIVE AFTER THE CONTAINER HAS PASSED AT LEAST ONCE ENTIRELY ACROSS SAID STREAM FOR DUMPING THE CONTENTS OF SAID CONTAINER INTO A RECEPTACLE OR THE LIKE.
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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |