Patent US3350139A successfully refreshed from Google Patents.
US3350139A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Materials transporting apparatus
Assignee: MEYERS SHERMAN CORP
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Filing: 1966-07-22
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Granted: 1967-10-31
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Expires: 1986-07-22
Abstract
No abstract record available.
Inventors
- 👤 Roland E Shaddock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:44
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/04; B65G53/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
GRANULAR MATERIAL TRANSPORTING APPARATUS ADAPTED FOR BEING SUBMERGED IN THE MATERIAL TO BE TRANSPORTED WHICH COMPRISED, IN COMBINATION, A TUBULAR FLOW CONDUIT, MEANS PROVIDING A PLURALITY OF INTAKE PORTS IN SPACED RELATION ALONG SAID CONDUIT, A CLOSURE MOVABLE FOR OPENING AND CLOSING EACH OF SAID PORTS, DRIVEN MEANS ASSOCIATED WITH EACH SAID CLOSURE FOR MOVING THE CLOSURE THEREBY, A DRIVE SHAFT EXTENDING ALONG SAID CONDUIT, MEANS MOUNTING SAID SHAFT FOR AXIAL RECIPROCAL MOVEMENT BETWEEN SELECTED POSITIONS AND FOR ROTATIONAL MOVEMENT ABOUT ITS AXIS, AND PLURAL DRIVE MEANS ON SAID SHAFT ENGAGEABLE RESPECTIVELY WITH SAID DRIVEN MEANS FOR MOVING SAID CLOSURES UPON ROTATION OF SAID SHAFT, SAID DRIVE MEANS BEING DISPOSED FOR SELECTIVE ENGAGEMENT WITH RESPECTIVE DRIVEN MEANS IN SELCTED DIFFERENT POSITIONS OF SAID SHAFT.
Claim 2
Dependent Claim
124 words
GRANULAR MATERIAL TRANSPORTING APPARATUS ADAPTED FOR BEING SUBMERGED IN THE MATERIAL TO BE TRANSPORTED WHICH COMPRISED, IN COMBINATION, A TUBULAR FLOW CONDUIT, MEANS PROVIDING A PLURALITY OF INTAKE PORTS IN SPACED RELATION ALONG SAID CONDUIT, A CLOSURE MOVABLE FOR OPENING AND CLOSING EACH OF SAID PORTS, DRIVEN MEANS ASSOCIATED WITH EACH SAID CLOSURE FOR MOVING THE CLOSURE THEREBY, A DRIVE SHAFT EXTENDING ALONG SAID CONDUIT, MEANS MOUNTING SAID SHAFT FOR AXIAL RECIPROCAL MOVEMENT BETWEEN SELECTED POSITIONS AND FOR ROTATIONAL MOVEMENT ABOUT ITS AXIS, AND PLURAL DRIVE MEANS ON SAID SHAFT ENGAGEABLE RESPECTIVELY WITH SAID DRIVEN MEANS FOR MOVING SAID CLOSURES UPON ROTATION OF SAID SHAFT, SAID DRIVE MEANS BEING DISPOSED FOR SELECTIVE ENGAGEMENT WITH RESPECTIVE DRIVEN MEANS IN SELCTED DIFFERENT POSITIONS OF SAID SHAFT.
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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |