US1908357A
Gas controlled valve operated by suction
Abstract
This record has no abstract on file.
Term
Term ended
Expired 9 May 1950, 76.4 years ago.
- Priority and filed
- Granted
- Expired
- Today
Every citation, both ways
| Document | Relation | Office | Cited during |
|---|---|---|---|
| US5653251A | Cited by | United States of America | Search report |
| US5896882A | Cited by | United States of America | Search report |
| US2772690A | Cited by | United States of America | Search report |
| US7306129B2 | Cited by | United States of America | Applicant |
| US5351709A | Cited by | United States of America | Search report |
| US4570660A | Cited by | United States of America | Search report |
| US2787061A | Cited by | United States of America | Search report |
| US5570713A | Cited by | United States of America | Search report |
| US7513396B2 | Cited by | United States of America | Applicant |
| US2862513A | Cited by | United States of America | Search report |
| US4536194A | Cited by | United States of America | Search report |
Numbers
- Application
- 182249
Titles
- English
- Gas controlled valve operated by suction
Classification
- CPC, 3
- F16K17/00
- Y10T137/2514
- Y10T137/2572
- IPC, 1
- F16K17 00