US3098390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sampling device
Assignee: Duval Sulphur and Potash Co
•
Filing: 1960-12-22
•
Granted: 1963-07-23
•
Expires: 1980-12-22
Abstract
No abstract record available.
Inventors
- 👤 Douglas J Bourne
- 👤 William H Park
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:34
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/10; G01N1/20; B; B65; B65G; B65G69/00; B65G69/04; B65G69/0458; B65G2814/00; B65G2814/02; B65G2814/0241; B65G2814/0282
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A SAMPLING DEVICE COMPRISING, A HOPPER HAVING A DISCHARGE OPENING, A DISTRIBUTOR POSITIONED BELOW AND RECEIVING MATERIAL FROM THE HOPPER DISCHARGE OPENING, SAID DISTRIBUTOR HAVING A DISCHARGE OPENING IN ITS LOWER END, MEANS MOUNTING SAID DISTRIBUTOR FOR ROTATION ABOUT A VERTICAL AXIS, A SLINGER DISC POSITIONED BELOW AND RECEIVING MATERIAL FROM SAID DISTRIBUTOR DISCHARGE OPENING, MEANS MOUNTING SAID SLINGER DISC FOR ROTATION ABOUT A VERTICAL AXIS, MEANS FOR ROTATING SAID DISTRIBUTOR AND SLINGER DISC RELATIVE TO THE HOPPER AND RELATIVE TO EACH OTHER, AND A SAMPLE CUTTER POSITIONED ADJACENT THE SLINGER DISC AND RECEIVING MATERIAL THEREFROM.
Claim 2
Dependent Claim
96 words
A SAMPLING DEVICE COMPRISING, A HOPPER HAVING A DISCHARGE OPENING, A DISTRIBUTOR POSITIONED BELOW AND RECEIVING MATERIAL FROM THE HOPPER DISCHARGE OPENING, SAID DISTRIBUTOR HAVING A DISCHARGE OPENING IN ITS LOWER END, MEANS MOUNTING SAID DISTRIBUTOR FOR ROTATION ABOUT A VERTICAL AXIS, A SLINGER DISC POSITIONED BELOW AND RECEIVING MATERIAL FROM SAID DISTRIBUTOR DISCHARGE OPENING, MEANS MOUNTING SAID SLINGER DISC FOR ROTATION ABOUT A VERTICAL AXIS, MEANS FOR ROTATING SAID DISTRIBUTOR AND SLINGER DISC RELATIVE TO THE HOPPER AND RELATIVE TO EACH OTHER, AND A SAMPLE CUTTER POSITIONED ADJACENT THE SLINGER DISC AND RECEIVING MATERIAL THEREFROM.
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) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |