US3206981A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sampling mechanism
Assignee: Harry W Dietert Co
•
Filing: 1963-09-23
•
Granted: 1965-09-21
•
Expires: 1983-09-23
Abstract
No abstract record available.
Inventors
- 👤 Howard L Jameson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:16
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/10; G01N1/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A CONTAINER FOR GRANULAR MATERIAL HAVING A SIDE WALL, SAID CONTAINER HAVING AN OPENING THROUGH THE SIDE WALL BELOW THE NORMAL LEVEL OF GRANULAR MATERIAL THEREIN, MEANS WITHIN THE CONTAINER FOR MOVING THE GRANULAR MATERIAL IN THE CONTAINER PAST THE OPENING THROUGH THE SIDE IN ONE TRANSVERSE DIRECTION WITH RESPECT TO SAID OPENING AND SAMPLE FEEDING STRUCTURE INCLUDING A HELICALLY WOUND MEMBER OF SMALL DIAMETER RESILIENT MATERIAL INSERTED THROUGH THE OPENING THROUGH THE SIDE OF THE CONTAINER INTO THE GRANULAR MATERIAL THEREIN AND MEANS FOR ROTATING THE HELICAL MEMBER TO WITHDRAW A SUBSTANTIALLY CONSTANT, UNIFORM SAMPLE OF GRANULAR MATERIAL FORM THE CONTAINER THROUGH THE OPENING.
Claim 2
Dependent Claim
105 words
A CONTAINER FOR GRANULAR MATERIAL HAVING A SIDE WALL, SAID CONTAINER HAVING AN OPENING THROUGH THE SIDE WALL BELOW THE NORMAL LEVEL OF GRANULAR MATERIAL THEREIN, MEANS WITHIN THE CONTAINER FOR MOVING THE GRANULAR MATERIAL IN THE CONTAINER PAST THE OPENING THROUGH THE SIDE IN ONE TRANSVERSE DIRECTION WITH RESPECT TO SAID OPENING AND SAMPLE FEEDING STRUCTURE INCLUDING A HELICALLY WOUND MEMBER OF SMALL DIAMETER RESILIENT MATERIAL INSERTED THROUGH THE OPENING THROUGH THE SIDE OF THE CONTAINER INTO THE GRANULAR MATERIAL THEREIN AND MEANS FOR ROTATING THE HELICAL MEMBER TO WITHDRAW A SUBSTANTIALLY CONSTANT, UNIFORM SAMPLE OF GRANULAR MATERIAL FORM THE CONTAINER THROUGH THE OPENING.
References Cited (Backward Citations)
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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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |