US3515353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination valve and injector device for controlling,metering,and mixing two fluids
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1968-01-18
•
Granted: 1970-06-02
•
Expires: 1988-01-18
Abstract
No abstract record available.
Inventors
- 👤 Leparis D Young
- 👤 Antone Potocnik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:51
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/44; F02K9/52; F02K9/56; F02K9/58; G; G05; G05D; G05D11/00; G05D11/003
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1798349A
Cited
US1793154A
Cited
US1834061A
Cited
US2368178A
Cited
US3202363A
Cited
US3272441A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |