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US3233395A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reel auger
Assignee: Individual
•
Filing: 1963-06-21
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Granted: 1966-02-08
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Expires: 1983-06-21
Abstract
No abstract record available.
Inventors
- 👤 Edwin M Dahl
- 👤 Crawford S Swenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:26
CPC Classifications
A; A01; A01D; A01D61/00; A01D61/008; A01D57/00; A01D57/30
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
149 words
A HARVESTER DEVICE COMPRISING AN ELONGATED REEL AUGER, A CUTTER BAR INCLUDING KNIFE GUARDS, SAID REEL AUGER BEING MOUNTED ABOVE SAID CUTTER AND BEING SUBSTANTIALLY CO-EXTENSIVE IN LENGTH THEREWITH, SAID REEL AUGER COMPRISING A SET OF SPIRAL BLADES ALONG ONE END OF SAID REEL AUGER, A SET OF SPIRAL BLADES ALONG THE OTHER END OF SAID AUGER, DRUM MEANS SUPPORTING EACH SET OF SPIRAL BLADES, WITH AN OPENING THEREBETWEEN, DISC MEMBERS COVERING THE INNER AND THE OUTER ENDS OF EACH OF SAID DRUM MEANS. SAID SPIRAL BLADES HAVING THEIR OUTER ENDS CONNECTED TO THE OUTER DISC MEMBERS, A PAIR OF CURVED SHAPED SHEETLIKE MEMBERS FORMING A BACK AND BOTTOM WALL FOR SAID SETS OF SPIRAL BLADES AND AN OPENING THEREBETWEEN, SAID DRUM MEANS AND SPIRAL BLADES HAVING THEIR FORWARD EDGE PORTIONS PROJECTING FORWARD OF SAID KNIFE GUARDS WHEN SAID KNIFE GUARDS ARE POINTED HORIZONTALLY OR INCLINED DOWNWARD DURING HARVESTING.
References Cited (Backward Citations)
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Cited
US2455905A
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US2476265A
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US2478009A
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US2636335A
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Cited
US3023560A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |