US3211303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grain storage tank and unloader
Assignee: Black Sivalls and Bryson Inc
•
Filing: 1963-09-03
•
Granted: 1965-10-12
•
Expires: 1983-09-03
Abstract
No abstract record available.
Inventors
- 👤 Linde Marinus W Van Der
- 👤 Harold E Manuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:08
CPC Classifications
A; A01; A01F; A01F25/00; A01F25/16; A01F25/20; B; B65; B65G; B65G65/00; B65G2814/00; B65G2814/02; B65G2814/0217; B65G2814/0223
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A SWEEP AUGER FOR USE IN A GRAIN STORAGE TANK COMPRISING, A CONTINUOUS CABLE MOVINGLY SUPPORTED FROM SAID TANK, SAID CABLE BEING VERTICALLY SUSPENDED INTERIORLY OF AND ADJACENT THE CENTER OF THE TANK AND EXTENDING OUT OF THE TANK ADJACENT THE TANK AND BOTTOM AND ALONG THE OUTSIDE OF THE TANK THEREBY PROVIDING A VERTICAL SUPPORT AND GUIDE ALONG THE VERTICAL AXIS OF THE TANK, AN AUGER SUSPENDED INTERIORLY OF SAID TANK ON SAID CABLE AND POSITIONED GENERALLY HORIZONTALLY AND RADIALLY EXTENDING FROM THE CABLE, MEANS CONNECTED TO AND ROTATING SAID AUGER, ROTATABLE MEANS ON THE OUTER END OF SAID AUGER SPACING AND PROTECTING THE INTERIOR OF THE TANK FROM THE ROTATING AUGER, A COUNTERWEIGHT CONNECTED TO SAID CABLE OUTSIDE OF SAID TANK, SAID WEIGHT BEING SIZED TO ALLOW THE AUGER TO MOVE DOWNWARDLY AS THE AMOUNT OF GRAIN IN THE TANK IS DECREASED.
Claim 2
Dependent Claim
144 words
A SWEEP AUGER FOR USE IN A GRAIN STORAGE TANK COMPRISING, A CONTINUOUS CABLE MOVINGLY SUPPORTED FROM SAID TANK, SAID CABLE BEING VERTICALLY SUSPENDED INTERIORLY OF AND ADJACENT THE CENTER OF THE TANK AND EXTENDING OUT OF THE TANK ADJACENT THE TANK AND BOTTOM AND ALONG THE OUTSIDE OF THE TANK THEREBY PROVIDING A VERTICAL SUPPORT AND GUIDE ALONG THE VERTICAL AXIS OF THE TANK, AN AUGER SUSPENDED INTERIORLY OF SAID TANK ON SAID CABLE AND POSITIONED GENERALLY HORIZONTALLY AND RADIALLY EXTENDING FROM THE CABLE, MEANS CONNECTED TO AND ROTATING SAID AUGER, ROTATABLE MEANS ON THE OUTER END OF SAID AUGER SPACING AND PROTECTING THE INTERIOR OF THE TANK FROM THE ROTATING AUGER, A COUNTERWEIGHT CONNECTED TO SAID CABLE OUTSIDE OF SAID TANK, SAID WEIGHT BEING SIZED TO ALLOW THE AUGER TO MOVE DOWNWARDLY AS THE AMOUNT OF GRAIN IN THE TANK IS DECREASED.
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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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |