US3343286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elevator scraper
Assignee: MRS Manufacturing CO
•
Filing: 1964-05-06
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Granted: 1967-09-26
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Expires: 1984-05-06
Abstract
No abstract record available.
Inventors
- 👤 Jr Willie Odgen Ray
- 👤 Scott Thomas Harrison
- 👤 Frank M Maly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:24
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/64; E02F3/65; E02F3/654; E02F3/656; E02F3/6454; E02F3/6472
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
114 words
A MACHINE COMPRISING: A BODY MEANS FOR HOLDING MATERIAL, SAID BODY MEANS INCLUDING A REARWARD END PORTION AND A FORWARD END PORTION WITH A BLADE SUPPORTED BY THE FORWARD END PORTION OF THE BODY MEANS; AN ELEVATOR ASSEMBLY SUPPORTED BY SAID BODY MEANS WITH A LOWER END PORTION OF SAID ELEVATOR ASSEMBLY DISPOSED ADJACENT TO SAID BLADE, SAID ELEVATOR ASSEMBLY INCLUDING FIRST MATERIAL ENGAGING MEANS FOR PUSHING MATERIAL UPWARDLY FROM SAID BLADE; AND CONVERYOR MEANS SUPPORTED BY SAID BODY MEANS ADJACENT TO AN UPPER PORTION OF SAID ELEVATOR ASSEMBLY, SAID CONVEYOR MEANS INCLUDING SECOND MATERIAL ENGAGING MEANS FOR PUSHING MATERIAL AWAY FROM SAID ELEVATOR ASSEMBLY TOWARD THE REARWARD END PORTION OF SAID BODY MEANS.
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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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |