US3197075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable volume auger assembly
Assignee: Individual
•
Filing: 1962-11-16
•
Granted: 1965-07-27
•
Expires: 1982-11-16
Abstract
No abstract record available.
Inventors
- 👤 Elmer K Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:55
CPC Classifications
B; B65; B65G; B65G33/00; B65G33/24; B65G33/32
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
80 words
AN AUGER ASSEMBLY COMPRISING: (A) A FIRST ELONGATED MEANS HAVING A SPIRAL FLANGE MEANS, (B) ELONGATED SPIRAL MEANS MOVABLY MOUNTED FOR AXIAL MOVEMENT CONCENTRIC WITH SAID FIRST ELONGATED MEANS TO VARY THE VOLUMETRIC CAPACITY OF THE AUGER ASSEMBLY ON SAID FIRST MEANS, (C) MEANS DRIVABLY CONNECTING SAID FIRST MEANS WITH SAID SPIRAL MEANS WHEREBY SAID FIRST AND SPIRAL MEANS ROTATE AS A UNIT, AND (D) MEANS SECURED TO SAID SPIRAL MEANS FOR VARYING THE VOLUMETRIC CAPACITY OF THE AUGER ASSEMBLY.
References Cited (Backward Citations)
US599392A
Cited
US1214753A
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US1128043A
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US2569039A
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US2509543A
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US2576177A
Cited
US2693873A
Cited
US2991870A
Cited
US2947524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |