Process for manufacturing regenerated leather
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Apr 20, 1982
Grant Date -
N/A
app pub date -
Feb 11, 1980
filing date -
Feb 11, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for manufacturing regenerated leather characterized by preparing a short-fiber and a long-fiber leather pulps from wasted natural leather; sending the two kinds of pulps separately to a refrigerator for freezing and then drying in a vacuum dryer; thus forming two sheets of cake-like leather by combining the two sheets to one and dipping with proper bonding agent, the long-fiber leather sheet is fluffed by a fluff-forming machine thus to form a regenerated natural leather.
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 | |
---|---|---|
TSUI YU MING | Not Provided |
International Classification(s)

- 1980 Application Filing Year
- C14B Class
- 11 Applications Filed
- 0 Patents Issued To-Date
- 0 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Tsui, Yu-Ming | No. 34-3, 31 Alley, 59 La., Sec. 5 Nanking East Rd., Taipei, TW | 8 | 69 |
# of filed Patents : 8 Total Citations : 69 |
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Patent Citation Ranking
- 6 Citation Count
- C14B Class
- 0 % this patent is cited more than
- 43 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

Legal Events
Date | Code | Event | Description |
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Oct 13, 2014 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Sep 17, 2014 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Sep 17, 2014 |
Sep 17, 2014 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | |
Apr 25, 2014 | REMI | MAINTENANCE FEE REMINDER MAILED | |
Feb 18, 2010 | FPAY | FEE PAYMENT | year of fee payment: 8 |
Dec 02, 2009 | FEPP | FEE PAYMENT PROCEDURE | free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Feb 23, 2006 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Sep 17, 2002 | I | Issuance | |
Jun 27, 2000 | F | Filing | |
Jun 13, 2000 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:GANTER, CHRISTIAN;REEL/FRAME:010900/0960 Owner name: GRAPHA-HOLDING AG, SWITZERLAND Effective Date: Jun 13, 2000 |
Jul 22, 1999 | PD | Priority Date |

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