Patent US3139918A successfully refreshed from Google Patents.
US3139918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Straw cutter
Assignee: Individual
•
Filing: 1963-01-11
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Granted: 1964-07-07
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Expires: 1983-01-11
Abstract
No abstract record available.
Inventors
- 👤 Gronberg Anton Bertil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:47
CPC Classifications
A; A01; A01F; A01F29/00; A01F29/02; A01F29/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A ROTARY CUTTER FOR DISINTEGRATING STRAW AND THE LIKE COMPRISING: A ROTATABLE SHAFT; AN END DISK SECURED TO SAID SHAFT AT EACH END THEREOF; A METAL TUBE SURROUNDING SAID SHAFT AND EXTENDING SUBSTANTIALLY THE LENGTH OF SAID SHAFT BETWEEN SAID END DISKS, THE INSIDE DIAMETER OF SAID TUBE BEING CONSIDERABLY LARGER THAN THE OUTSIDE DIAMETER OF SAID SHAFT; MEANS AT EACH END OF SAID TUBE MOUNTING THE SAME FOR ROTATION WITH SAID SHAFT, THE REMAINDER OF SAID TUBE BEING FREE OF SAID SHAFT; A PLURALITY OF ROWS OF CUTTER ARMS DISPOSED OUTWARDLY OF SAID TUBE BETWEEN SAID END DISKS AND EXTENDING RADIALLY OUTWARDLY; A PLURALITY OF INTERMEDIARY DISKS DISPOSED BETWEEN SAID END DISKS; AT LEAST ONE CLAMPING BOLT ASSOCIATED WITH EACH ROW OF ARMS AND EXTENDING THROUGH SAID END DISKS, ARMS AND INTERMEDIARY DISKS; AND SPACER SLEEVES ON EACH CLAMPING BOLT FOR MAINTAINING SAID ARMS AND INTERMEDIARY DISKS IN PREDETERMINED, SPACED RELATIONSHIP.
Claim 2
Dependent Claim
152 words
A ROTARY CUTTER FOR DISINTEGRATING STRAW AND THE LIKE COMPRISING: A ROTATABLE SHAFT; AN END DISK SECURED TO SAID SHAFT AT EACH END THEREOF; A METAL TUBE SURROUNDING SAID SHAFT AND EXTENDING SUBSTANTIALLY THE LENGTH OF SAID SHAFT BETWEEN SAID END DISKS, THE INSIDE DIAMETER OF SAID TUBE BEING CONSIDERABLY LARGER THAN THE OUTSIDE DIAMETER OF SAID SHAFT; MEANS AT EACH END OF SAID TUBE MOUNTING THE SAME FOR ROTATION WITH SAID SHAFT, THE REMAINDER OF SAID TUBE BEING FREE OF SAID SHAFT; A PLURALITY OF ROWS OF CUTTER ARMS DISPOSED OUTWARDLY OF SAID TUBE BETWEEN SAID END DISKS AND EXTENDING RADIALLY OUTWARDLY; A PLURALITY OF INTERMEDIARY DISKS DISPOSED BETWEEN SAID END DISKS; AT LEAST ONE CLAMPING BOLT ASSOCIATED WITH EACH ROW OF ARMS AND EXTENDING THROUGH SAID END DISKS, ARMS AND INTERMEDIARY DISKS; AND SPACER SLEEVES ON EACH CLAMPING BOLT FOR MAINTAINING SAID ARMS AND INTERMEDIARY DISKS IN PREDETERMINED, SPACED RELATIONSHIP.
References Cited (Backward Citations)
US1348751A
Cited
US2509242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |