Patent US4054343A successfully refreshed from Google Patents.
Patent US3085673A successfully refreshed from Google Patents.
US3085673A
Expired / Lapsed
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Pit structures
Assignee: WESTERN VELO AND CEMENT SPECIALTY CO
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Filing: 1960-12-27
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Granted: 1963-04-16
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Expires: 1980-12-27
Abstract
No abstract record available.
Inventors
- 👤 Willard H Gooding
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:31
CPC Classifications
B; B65; B65G; B65G63/00; B65G63/008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
A PIT STRUCTURE FOR USE WITH A CONVEYOR IN TRANSFERRING BULK QUANTITIES OF GRANULAR MATERIALS, WHICH PIT STRUCTURE INCLUDES: HOPPER MEANS HAVING A TOP WITH AN OPENING LOCATED THEREIN, A BOTTOM HAVING AN OPENING LOCATED THEREIN, SAID BOTTOM BEING SPACED FROM SAID TOP, AND WALLS ATTACHED TO THE PERIPHERIES OF SAID TOP AND SAID BOTTOM, AT LEAST SOME OF SAID WALLS CONVERGING TOGETHER TOWARD SAID BOTTOM; TUNNEL MEANS HAVING A MATERIAL DISCHARGE END AND MATERIAL RECEIVING END, SAID RECEIVING END BEING IN COMMUNICATION WITH SAID BOTTOM OPENING IN SAID HOPPER MEANS; CONNECTOR MEANS SECURED AROUND SAID BOTTOM OPENING OF SAID HOPPER MEANS SO AS TO EXTEND THEREFROM INTO SAID RECEIVING END OF SAID TUNNEL MEANS; AND GUIDE MEANS FOR GUIDING A CONVEYOR THROUGH SAID TUNNEL MEANS FROM SAID DISCHARGE END OF SAID TUNNEL MEANS INTO SAID RECEIVING END OF SAID TUNNEL MEANS AND INTO ENGAGEMENT WITH THE EXTREMITY OF SAID CONNECTOR MEANS LOCATED WITHIN SAID RECEIVING END OF SAID TUNNEL MEANS, SAID GUIDE MEANS LEADING FROM SAID DISCHARGE END OF SAID TUNNEL ALONG THE INTERIOR THEREOF.
Claim 2
Dependent Claim
176 words
A PIT STRUCTURE FOR USE WITH A CONVEYOR IN TRANSFERRING BULK QUANTITIES OF GRANULAR MATERIALS, WHICH PIT STRUCTURE INCLUDES: HOPPER MEANS HAVING A TOP WITH AN OPENING LOCATED THEREIN, A BOTTOM HAVING AN OPENING LOCATED THEREIN, SAID BOTTOM BEING SPACED FROM SAID TOP, AND WALLS ATTACHED TO THE PERIPHERIES OF SAID TOP AND SAID BOTTOM, AT LEAST SOME OF SAID WALLS CONVERGING TOGETHER TOWARD SAID BOTTOM; TUNNEL MEANS HAVING A MATERIAL DISCHARGE END AND MATERIAL RECEIVING END, SAID RECEIVING END BEING IN COMMUNICATION WITH SAID BOTTOM OPENING IN SAID HOPPER MEANS; CONNECTOR MEANS SECURED AROUND SAID BOTTOM OPENING OF SAID HOPPER MEANS SO AS TO EXTEND THEREFROM INTO SAID RECEIVING END OF SAID TUNNEL MEANS; AND GUIDE MEANS FOR GUIDING A CONVEYOR THROUGH SAID TUNNEL MEANS FROM SAID DISCHARGE END OF SAID TUNNEL MEANS INTO SAID RECEIVING END OF SAID TUNNEL MEANS AND INTO ENGAGEMENT WITH THE EXTREMITY OF SAID CONNECTOR MEANS LOCATED WITHIN SAID RECEIVING END OF SAID TUNNEL MEANS, SAID GUIDE MEANS LEADING FROM SAID DISCHARGE END OF SAID TUNNEL ALONG THE INTERIOR THEREOF.
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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) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |