US3249210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Center driven auger conveyor
Assignee: MAYRATH MACHINERY CO Inc
•
Filing: 1963-12-12
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Granted: 1966-05-03
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Expires: 1983-12-12
Abstract
No abstract record available.
Inventors
- 👤 Mayrath Martin
- 👤 Charles E Pike
- 👤 John W Kendall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:43
CPC Classifications
B; B65; B65G; B65G33/00; B65G33/24; B65G33/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A CENTER DRIVE AUGER CONVEYOR COMPRISING AN AUGER SHAFT, AN AUGER FLIGHT SURROUNDING AND CONNECTED TO SAID SHAFT, A PAIR OF AXIALLY ALIGNED AUGER HOUSING TUBES SURROUNDING SAID FLIGHT WITH THEIR PROXIMATE ENDS SPACED FROM ONE ANOTHER, A DRIVE WHEEL HAVING WEB SECTION APERTURED TO CONFORM TO THE OPENINGS OF SAID HOUSING TUBES AND MOUNTED FOR ROTATION ABOUT THEIR COMMON AXIS, SPOKE MEANS TERMINATING IN A NON-CIRCULAR SOCKET PORTION LOOSELY CONNECTING SAID WEB SECTION TO A NON-CIRCULAR PORTION OF SAID AUGER SHAFT FOR ROTATION THEREWITH BUT IN AXIALLY-
Claim 2
Dependent Claim
88 words
A CENTER DRIVE AUGER CONVEYOR COMPRISING AN AUGER SHAFT, AN AUGER FLIGHT SURROUNDING AND CONNECTED TO SAID SHAFT, A PAIR OF AXIALLY ALIGNED AUGER HOUSING TUBES SURROUNDING SAID FLIGHT WITH THEIR PROXIMATE ENDS SPACED FROM ONE ANOTHER, A DRIVE WHEEL HAVING WEB SECTION APERTURED TO CONFORM TO THE OPENINGS OF SAID HOUSING TUBES AND MOUNTED FOR ROTATION ABOUT THEIR COMMON AXIS, SPOKE MEANS TERMINATING IN A NON-CIRCULAR SOCKET PORTION LOOSELY CONNECTING SAID WEB SECTION TO A NON-CIRCULAR PORTION OF SAID AUGER SHAFT FOR ROTATION THEREWITH BUT IN AXIALLY-
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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |