Trademark: MAINSPRING
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Mark Identification
Proof of use for MAINSPRING
We do not have any records of a proof of use for MAINSPRING at this moment.
Possible trademark infringements of MAINSPRING
Basic Information about MAINSPRING
- Serial Number
- 88491501
- Filing Date
- 27 Jun 2019
- Mark Drawing Code
- 4
Classifications
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- First use of MAINSPRING anywhere
- No first use declared yet.
- First use in commerce
- There is no first use of this trademark in commerce detected yet.
- Status Code
- 6
- International Code
- 009
- US Codes
- 021; 023; 026; 036; 038
- First use of MAINSPRING anywhere
- No first use declared yet.
- First use in commerce
- There is no first use of this trademark in commerce detected yet.
- Status Code
- 6
- International Code
- 036
- US Codes
- 100; 101; 102
Who owns MAINSPRING?
1. MAINSPRING ENERGY, INC. MENLO PARK CA
2. EtaGen, Inc. Menlo Park CA
3. EtaGen, Inc. Menlo Park CA
Correspondent
- Alexander Shvarts
- HALEY GUILIANO LLP
- 111 NORTH MARKET ST., SUITE 900
- SAN JOSE, CA 95113
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