US2738679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solids sampling apparatus
Assignee: Individual
•
Filing: 1952-07-18
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Granted: 1956-03-20
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Expires: 1972-07-18
Abstract
No abstract record available.
Inventors
- 👤 Walter T Senkowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:09
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/10; G01N1/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
APPARATUS FOR SAMPLING A DOWNWARDLY MOVING SOLIDS STREAM, THE WIDTH OF SAID STREAM MEASURED FROM SIDE TO SIDE EXCEEDING THE THICKNESS OF SAID STREAM MEASURED BETWEEN ITS FRONT AND BACK FACES, SAID STREAM BEING DISCHARGED FROM A CONVEYOR WHICH MOVES IN A PREDETERMINED DIRECTION FORMING A DOWNWARDLY MOVING SOLIDS STREAM, COMPRISING A SAMPLE CUTTER HAVING FRONT, BACK AND SIDE WALLS FORMING A SUBSTANTIALLY RECTANGULAR OPENING, SUPPORTING MEANS FOR THE CUTTER EXTENDING PARALLEL TO AND UNDER SAID CONVEYOR, AND MEANS FOR PASSING SAID SAMPLE CUTTER FRONT AND BACK WALLS ALONG SAID SUPPORTING MEANS AND COMPLETELY THROUGH SAID STREAM IN THE DIRECTION EXTENDING BETWEEN THE FRONT AND BACK FACES OF THE STREAM, WHEREBY SAID CUTTER TRAVELS THROUGH THE THICKNESS OF SAID STREAM RATHER THAN ITS WIDTH, SAID CUTTER SIDE WALLS BEING SPACED FROM ONE ANOTHER AT A DISTANCE GREATER THAN THE DISTANCE BETWEEN THE SIDES OF SAID STREAM, AND SAID CUTTER FRONT AND BACK WALLS BEING SPACED FROM ONE ANOTHER AT A DISTANCE OF AT LEAST ABOUT TWICE THE DISTANCE BETWEEN THE FRONT AND BACK FACES OF SAID STREAM.
Claim 2
Dependent Claim
177 words
APPARATUS FOR SAMPLING A DOWNWARDLY MOVING SOLIDS STREAM, THE WIDTH OF SAID STREAM MEASURED FROM SIDE TO SIDE EXCEEDING THE THICKNESS OF SAID STREAM MEASURED BETWEEN ITS FRONT AND BACK FACES, SAID STREAM BEING DISCHARGED FROM A CONVEYOR WHICH MOVES IN A PREDETERMINED DIRECTION FORMING A DOWNWARDLY MOVING SOLIDS STREAM, COMPRISING A SAMPLE CUTTER HAVING FRONT, BACK AND SIDE WALLS FORMING A SUBSTANTIALLY RECTANGULAR OPENING, SUPPORTING MEANS FOR THE CUTTER EXTENDING PARALLEL TO AND UNDER SAID CONVEYOR, AND MEANS FOR PASSING SAID SAMPLE CUTTER FRONT AND BACK WALLS ALONG SAID SUPPORTING MEANS AND COMPLETELY THROUGH SAID STREAM IN THE DIRECTION EXTENDING BETWEEN THE FRONT AND BACK FACES OF THE STREAM, WHEREBY SAID CUTTER TRAVELS THROUGH THE THICKNESS OF SAID STREAM RATHER THAN ITS WIDTH, SAID CUTTER SIDE WALLS BEING SPACED FROM ONE ANOTHER AT A DISTANCE GREATER THAN THE DISTANCE BETWEEN THE SIDES OF SAID STREAM, AND SAID CUTTER FRONT AND BACK WALLS BEING SPACED FROM ONE ANOTHER AT A DISTANCE OF AT LEAST ABOUT TWICE THE DISTANCE BETWEEN THE FRONT AND BACK FACES OF SAID STREAM.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-20 | 1959-09-19 | 1960-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-20 | 1963-09-19 | 1964-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-20 | 1967-09-19 | 1968-03-20 | $7700.00 | Window Closed / Lapsed |