Earth engaging cutter bit
Patent
US-4911503-A
Inventor
STIFFLER STEPHEN P (US)
BEACH WAYNE H (US)
Assignee
KENNAMETAL INC (US)
Country
United States
Dates
- Priority:1988/07/20
- Grant:1990/03/27
Description
This web page summarizes information in PubChem about patent US-4911503-A. This includes chemicals mentioned, as reported by PubChem contributors, as well as other content, such as title, abstract, and International Patent Classification (IPC) codes. To read more about how this page was constructed, please visit the PubChem patents help page.
A cutter bit for use in construction and/or excavation applications is provided having a hard wear resistant tip joined to a steel shank. The wear resistant tip is rotational symmetric about its longitudinal axis and has a rear end having a socket therein in which is bonded a steel protrusion on the forward end of the steel shank.
1988/07/20
1988/07/20
1990/03/27
1990/03/27
STIFFLER STEPHEN P (US)
BEACH WAYNE H (US)
KENNAMETAL INC (US)
United States
- US-4911503-A
- ZA-895532-B
E21C35/18
E21C35/183 (inventive)
E21C35/1835 (inventive)
E21C35/1831 (inventive)
E21C35/1837 (inventive)
E21C35/183 (inventive, first)
- US-177973-A (SEA)
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- Designing with Kennametal (1957) pp. 6 19. (SEA)
- Designing with Kennametal (1957) pp. 6-19. (UNKNOWN)
- Designing with Kennametal (1980) pp. 28 39. (SEA)
- Designing with Kennametal (1980) pp. 28-39. (UNKNOWN)
- Handy and Harman Technical Data Sheet No. D 74 (1984). (SEA)
- Handy and Harman Technical Data Sheet No. D-74 (1984). (UNKNOWN)
- Kennametal Inc. Drawing Nos. 285 9187 (1969) and 082 8890A (1969). (SEA)
- Kennametal Inc. Drawing Nos. 285-9187 (1969) and 082-8890A (1969). (UNKNOWN)
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- US-8636325-B2 (APP)
- US-8678517-B2 (APP)
- US-8701799-B2 (APP)
- US-D863386-S (APP)
- Google PatentsLICENSE"Google Patents Research Data" by Google, based on data provided by IFI CLAIMS Patent Services and OntoChem, is licensed under a Creative Commons Attribution 4.0 International License.https://creativecommons.org/licenses/by/4.0/legalcode
- PubChem
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