US3088606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sweep arm unloader shield means
Assignee: CST Storage Inc
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Filing: 1961-08-09
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Granted: 1963-05-07
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Expires: 1981-08-09
Abstract
No abstract record available.
Inventors
- 👤 John W Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:38
CPC Classifications
B; B65; B65G; B65G65/00; B65G2814/00; B65G2814/02; B65G2814/0217; B65G2814/0223
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
IN A BOTTOM UNLOADER UNIT HAVING A SWEEP ARM SUPPORTED WITHIN A STORAGE STRUCTURE TO TRANSPORT THE STORED MATERIAL TO A DISCHARGE OPENING, A SHIELD DISPOSED WITHIN THE STORAGE STRUCTURE FOR OVERLYING THE ARM IN A SECLECTED POSITION OF THE ARM, MEANS RELEASABLY SECURING SAID SHIELD IN THE STORAGE STRUCTURE AND RELEASABLE FROM OUTSIDE THE STORAGE STRUCTURE, AND MEANS FOR RELEASING AND REMOVING THE SHIELD EXTERIORLY OF THE STORAGE AREA OF THE STRUCTURE.
Claim 2
Dependent Claim
73 words
IN A BOTTOM UNLOADER UNIT HAVING A SWEEP ARM SUPPORTED WITHIN A STORAGE STRUCTURE TO TRANSPORT THE STORED MATERIAL TO A DISCHARGE OPENING, A SHIELD DISPOSED WITHIN THE STORAGE STRUCTURE FOR OVERLYING THE ARM IN A SECLECTED POSITION OF THE ARM, MEANS RELEASABLY SECURING SAID SHIELD IN THE STORAGE STRUCTURE AND RELEASABLE FROM OUTSIDE THE STORAGE STRUCTURE, AND MEANS FOR RELEASING AND REMOVING THE SHIELD EXTERIORLY OF THE STORAGE AREA OF THE STRUCTURE.
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) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |