Emergency track ring for pneumatic vehicle tires
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 20, 1981
Grant Date -
N/A
app pub date -
Nov 26, 1979
filing date -
Nov 27, 1978
priority date (Note) -
Expired
status (Latency Note)
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Importance

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Abstract
An emergency track ring for a tubeless pneumatic tire comprising a bottom reinforced flange for mounting the ring on such a tire rim. At least one opening is formed in the ring to permit air to be admitted to the interior of the tire. Groove means are formed in the ring for filling with a lubricating material, and sealing lips close the groove means and seal the lubricant therein when the tire is mounted on said rim and under pressure. Flange means are integrally formed with the sealing lips and extend upwardly for engagement by the inside of the tire cover during loss of air, the depressing of the flange means effecting a lever action which causes the sealing lips to move so as to open the grooves and permit and lubricating material to be released to reduce friction between the tire cover and the track ring.
First Claim
all claims..Other Claims data not available
Family
Country | kind | publication No. | Filing Date | Type | Sub-Type |
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- VORWERK & SOHN GMBH & CO. KG
International Classification(s)

- 1979 Application Filing Year
- B60C Class
- 174 Applications Filed
- 2 Patents Issued To-Date
- 1.15 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Stein, Hermann | Wuppertal-Barmen, DE | 24 | 251 |
# of filed Patents : 24 Total Citations : 251 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 19 Citation Count
- B60C Class
- 0 % this patent is cited more than
- 44 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 |
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