Ophthalmic roughing wheel
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United States of America Design
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Dec 24, 2013
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Jan 7, 2011
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Jan 7, 2011
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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INLAND DIAMOND PRODUCTS COMPANY | 32051 HOWARD STREET MADISON HEIGHTS MI 48071 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Raffaelli, Dennis R | Oxford, US | 13 | 65 |
# of filed Patents : 13 Total Citations : 65 | |||
Wiand, Ronald C | Troy, US | 55 | 1224 |
# of filed Patents : 55 Total Citations : 1224 |
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- 1509 Class
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- 12 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jun 24, 2025 |
Fee | Large entity fee | small entity fee | micro entity fee |
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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
US Patent No: 9649186
Tubular conduit
Abstract
A tubular conduit comprising: a tubular portion made from a flexible material. There is an external helical formation extending around the exterior of, and parallel to the axis of, the tubular portion and defining a first region of the tubular portion. The external helical formation is for supporting the tubular portion. There is also an internal helical formation, protruding inwardly of the interior of the tubular portion and extending parallel to the axis of the tubular portion and defining a second region of the tubular portion. The internal helical formation is for imparting helical flow on fluid passing through the tubular portion. The first region does not extend throughout the second region.
Description
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Nov 06, 2024 | 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 |
Sep 20, 2020 | 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 |
May 16, 2017 | I | Issuance | |
Apr 26, 2017 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Nov 19, 2009 | P | Published | |
Jun 03, 2008 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KAWAI, MASATO;NAKAMURA, MORIMITSU;REEL/FRAME:021074/0867 Owner name: TAIYO NIPPON SANSO CORPORATION, JAPAN Effective Date: Jun 03, 2008 |
Dec 12, 2006 | F | Filing | |
Dec 14, 2005 | PD | Priority Date |

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