Teaching means for mathematics
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jul 4, 2017
Issued Date -
N/A
app pub date -
Sep 12, 2014
filing date -
Sep 13, 2013
priority date (Note) -
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Abstract
Mathematical teaching aids (100) and a method of enhancing the mathematical perception skills of a target person, preferably of practicing abductive reasoning, which teaching aids (100) include a number of teaching tiles (102), each of the teaching tiles (102) having at least one mark (104), wherein at least two teaching tiles (102), when combined, together form an identifiable pattern via the marks (104).
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
GLOBAL LEARNING INNOVATIONS OY | LUOTEISTUULENTIE 20 JYVÄSKYLÄ 40530 |
International Classification(s)

- 2014 Application Filing Year
- G09B Class
- 1179 Applications Filed
- 899 Patents Issued To-Date
- 76.26 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Laitinen, Maarit | Tampere, FI | 1 | 1 |
# of filed Patents : 1 Total Citations : 1 |
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Patent Citation Ranking
- 0 Citation Count
- G09B Class
- 0 % this patent is cited more than
- 8 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jan 4, 2025 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 4, 2029 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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

Legal Events
Date | Code | Event | Description |
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Dec 07, 2009 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Dec 07, 2009 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY |
Nov 11, 2009 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Nov 11, 2009 |
May 18, 2009 | REMI | MAINTENANCE FEE REMINDER MAILED | |
Oct 14, 2008 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:THE NORTH AMERICAN MANUFACTURING COMPANY, LTD.;REEL/FRAME:021849/0795 Owner name: FIVES NA CORP., OHIO Effective Date: Jul 31, 2008 free format text: CHANGE OF NAME;ASSIGNOR:FIVES NA CORP.;REEL/FRAME:021849/0887 Owner name: FIVES NORTH AMERICAN COMBUSTION, INC., OHIO Effective Date: Oct 14, 2008 |
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Nov 11, 1997 | I | Issuance | |
Jan 16, 1996 | F | Filing | |
Jan 16, 1996 | PD | Priority Date | |
Jan 15, 1996 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:RAMSDELL, JOHN L.;HRABAK, STEVEN G.;REEL/FRAME:007836/0609 Owner name: NORTH AMERICAN MANUFACTURING COMPANY, OHIO Effective Date: Jan 15, 1996 |

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