Chipper knife and method of manufacturing a chipper knife
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Apr 24, 2012
Grant Date -
Jul 1, 2010
app pub date -
Jan 8, 2008
filing date -
Jan 12, 2007
priority date (Note) -
In Force
status (Latency Note)
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Importance

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Non-US Coverage
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Abstract
A chipper knife that is adapted to be mounted in chippers which have a rotatable tool, in the form of a disc, drum or frustoconical member, on which a plurality of such chipper knives are mounted has at least a first side having a raw, unworked surface or working stripes extending in the longitudinal direction of the chipper knife, substantially parallel to the cutting edge which also has a cutting edge portion extending inwardly from the cutting edge and terminating in a shoulder extending parallel to the cutting edge to provide a clearance step on the knife behind the shoulder with respect to the adjacent knife surface, which edge portion also has working stripes formed therein transverse that cutting edge portion and at an angle to the cutting edge.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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IGGESUND TOOLS AB | S-825 21 IGGESUND |
International Classification(s)

- 2008 Application Filing Year
- B02C Class
- 291 Applications Filed
- 199 Patents Issued To-Date
- 68.39 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Andersson, Torbjörn | Forsa, SE | 5 | 112 |
# of filed Patents : 5 Total Citations : 112 | |||
Bäcklund, Torbjörn | Hudiksvall, SE | 1 | 3 |
# of filed Patents : 1 Total Citations : 3 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 3 Citation Count
- B02C Class
- 10.26 % this patent is cited more than
- 13 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

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May 09, 2023 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8 |
Apr 02, 2019 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4 |
Nov 10, 2015 | I | Issuance | |
Oct 21, 2015 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Aug 25, 2015 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:CENOVUS FCCL LTD.;REEL/FRAME:036638/0181 Owner name: FCCL PARTNERSHIP, CANADA Effective Date: Aug 25, 2015 |
Aug 06, 2013 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:PRICE, GLENN ROBERT;SUN, SUSAN WEI;WASYLYK, MICHAEL JOHN;SIGNING DATES FROM 20130702 TO 20130710;REEL/FRAME:030953/0553 Owner name: CENOVUS FCCL LTD., AS OPERATOR FOR FCCL PARTNERSHI |
Jun 27, 2013 | P | Published | |
Dec 20, 2012 | F | Filing |

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