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Sample Research Log
Research Log
Relevant Classifications
| Date | Class/Sub | Description | Checked | Comments |
| 6/30/08 | 441/57 | Swimming aid to increase stroke efficiency: Hand attached, held, or worn: Having finger stalls (e.g., gloves) |
yes | chamber into which finger or hand may be inserted; glove; mitt |
| 6/30/08 | 441/56 | Swimming aid to increase stroke efficiency: Hand attached, held, or worn | yes | secured to, grasped by, or borne on the hand of a swimmer |
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Relevant Patents
| Date | Patent # | Inventor/Country | Date of Patent |
Description | Class/Sub | International Classification | Comment |
| 6/30/08 | 6,685,521 | Melius | 2/3/2004 | Hand fin apparatus |
441/56 | A63B31/00 | hydrodynamic lift; handle and wrist strap; fin material can be rigid or inflatable or hollow |
| 6/30/08 | 5,167,551 |
Davis | 12/1/1992 | Bodysurfing and swimming aid |
441/57 | A63B31/00 |
hand fins with inner rails, keel, curved channels, peripheral lip |
| 6/30/08 | 4,964,824 | Spencer | 10/23/1990 | Swimming glove |
441/57 | A63B31/00 | finger sheaths with webbing, zippers |
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Other References
| Date | Description | Source | Comments |
| 7/3/08 | "Mechatronics and buoyancy implementation of robotic fish swimming with modular fin mechanisms" |
Proceedings of the Institution of Mechanical Engineers - Part I - Journal of Systems & Control Engineering, vol. 221, issue 3 (May 2007), p. 295-309. |
underwater vehicle mimicking the undulating fins of fish, using a fin-like mechanism with a series of connecting linkages |
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Based on the "Searcher's Worksheet," Form 6-1 in Appendix 7 of David Pressman's Patent It Yourself, 10th Edition, Nolo Press, 2004.
Description
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