US3339759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silo unloader
Assignee: Individual
•
Filing: 1965-09-17
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Granted: 1967-09-05
•
Expires: 1985-09-17
Abstract
No abstract record available.
Inventors
- 👤 Charles L Wellons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:38
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/54; B65D88/64; B65D88/68
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN A SILO FOR PARTICLED MATERIAL, A SILO MEMBER INCLUDING A HOPPER PORTION AND AN UPRIGHT BIN PORTION IN CONCENTRIC SUPERPOSED RELATION TO THE HOPPER PORTION, SAID HOPPER PORTION EXTENDING OUTWARDLY BEYOND THE LOWER END OF SAID BIN PORTION IN SPACED RELATION THERETO AND DEFINING AN ANNULAR CLEARANCE SPACE THEREWITH, AN ELONGATE AGITATOR EXTENDING FROM THE LOWER CENTRAL PORTION OF SAID HOPPER UPWARDLY TO A POINT WHICH IS OUTWARDLY OF THE LOWER END OF SAID BIN AND INTO SAID CLEARANCE SPACE, AND MEANS FOR CAUSING GYRATION OF SAID AGITATOR AROUND SAID HOPPER PORTION.
Claim 2
Dependent Claim
93 words
IN A SILO FOR PARTICLED MATERIAL, A SILO MEMBER INCLUDING A HOPPER PORTION AND AN UPRIGHT BIN PORTION IN CONCENTRIC SUPERPOSED RELATION TO THE HOPPER PORTION, SAID HOPPER PORTION EXTENDING OUTWARDLY BEYOND THE LOWER END OF SAID BIN PORTION IN SPACED RELATION THERETO AND DEFINING AN ANNULAR CLEARANCE SPACE THEREWITH, AN ELONGATE AGITATOR EXTENDING FROM THE LOWER CENTRAL PORTION OF SAID HOPPER UPWARDLY TO A POINT WHICH IS OUTWARDLY OF THE LOWER END OF SAID BIN AND INTO SAID CLEARANCE SPACE, AND MEANS FOR CAUSING GYRATION OF SAID AGITATOR AROUND SAID HOPPER PORTION.
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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |