US1878084A
Lighting apparatus
Abstract
This record has no abstract on file.
Term
Term ended
Expired 20 September 1949, 77 years ago.
- Priority and filed
- Granted
- Expired
- Today
Every citation, both ways
| Document | Relation | Office | Cited during |
|---|---|---|---|
| US7856788B2 | Cited by | United States of America | Applicant |
| US3994462A | Cited by | United States of America | Search report |
| US4234916A | Cited by | United States of America | Search report |
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| US7993037B1 | Cited by | United States of America | Applicant |
| US8201962B2 | Cited by | United States of America | Applicant |
| US2898076A | Cited by | United States of America | Search report |
| US7784754B2 | Cited by | United States of America | Applicant |
| US7874708B1 | Cited by | United States of America | Applicant |
| US2010126109A1 | Cited by | United States of America | Pre-grant |
| US4705255A | Cited by | United States of America | Search report |
| US7673430B1 | Cited by | United States of America | Applicant |
| US2007147053A1 | Cited by | United States of America | Pre-grant |
| US10815662B1 | Cited by | United States of America | Search report |
Numbers
- Application
- 499706
Titles
- English
- Lighting apparatus
Classification
- CPC, 1
- F21V21/02
- IPC, 1
- F21V21 02