Patent US3276700A successfully refreshed from Google Patents.
US3276700A
Expired / Lapsed
US
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Wood chipper
Assignee: Beloit Corp
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Filing: 1963-10-25
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Granted: 1966-10-04
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Expires: 1983-10-25
Abstract
No abstract record available.
Inventors
- 👤 Henrik J Eklund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:40
CPC Classifications
B; B27; B27L; B27L11/00; B27L11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
IN A WOOD CHIPPER EMBODYING A ROTARY DISC HAVING ANGULARLY SPACED KNIVES AND ANGULARLY SPACED PASSAGEWAYS THERETHROUGH TOGETHER WITH MEANS TO FEED WOOD TO ONE SIDE OF THE DISC WHEREBY THE WOOD IS CUT INTO CHIPS WHICH PASS THROUGH THE PASSAGEWAYS TO THE OTHER SIDE OF THE DISC, (A) AN INVOLUTE HOUSING SURROUNDING SAID ONE SIDE OF SAID DISC, (B) A CIRCULAR HOUSING SURROUNDING SAID OTHER SIDE OF THE DISC AND SEPARATED FROM SAID INVOLUTE HOUSING BY SAID DISC, (C) ANGULARLY SPACED BLADES CARRIED BY SAID OTHER SIDE OF THE DISC AND DISPOSED TO ROTATE WITHIN SAID CIRCULAR HOUSING WITH A RELATIVELY CLOSE FIT TO CONVEY CHIPS THERETHROUGH, (D) ANGULARLY SPACED BLADES CARRIED BY SAID ONE SIDE OF THE DISC OUTWARDLY OF SAID MEANS TO FEED WOOD AND DISPOSED TO ROTATE WITHIN SAID INVOLUTE HOUSING TO CIRCULATE AIR THERETROUGH,
Claim 2
Dependent Claim
139 words
IN A WOOD CHIPPER EMBODYING A ROTARY DISC HAVING ANGULARLY SPACED KNIVES AND ANGULARLY SPACED PASSAGEWAYS THERETHROUGH TOGETHER WITH MEANS TO FEED WOOD TO ONE SIDE OF THE DISC WHEREBY THE WOOD IS CUT INTO CHIPS WHICH PASS THROUGH THE PASSAGEWAYS TO THE OTHER SIDE OF THE DISC, (A) AN INVOLUTE HOUSING SURROUNDING SAID ONE SIDE OF SAID DISC, (B) A CIRCULAR HOUSING SURROUNDING SAID OTHER SIDE OF THE DISC AND SEPARATED FROM SAID INVOLUTE HOUSING BY SAID DISC, (C) ANGULARLY SPACED BLADES CARRIED BY SAID OTHER SIDE OF THE DISC AND DISPOSED TO ROTATE WITHIN SAID CIRCULAR HOUSING WITH A RELATIVELY CLOSE FIT TO CONVEY CHIPS THERETHROUGH, (D) ANGULARLY SPACED BLADES CARRIED BY SAID ONE SIDE OF THE DISC OUTWARDLY OF SAID MEANS TO FEED WOOD AND DISPOSED TO ROTATE WITHIN SAID INVOLUTE HOUSING TO CIRCULATE AIR THERETROUGH,
References Cited (Backward Citations)
US3123311A
Cited
US2756788A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |