Patent DE423850C successfully refreshed from Google Patents.
Patent US3316844A successfully refreshed from Google Patents.
US3316844A
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US
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Additive delivery device
Assignee: Individual
•
Filing: 1965-05-18
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Granted: 1967-05-02
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Expires: 1985-05-18
Abstract
No abstract record available.
Inventors
- 👤 Michael J Valk
- 👤 Iii John Valk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:28
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/74; B67D7/743; B67D2007/745; B67D2007/748; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2531
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
AN ADDITIVE DELIVERY DEVICE COMPRISING: (A) AN ADDITIVE TANK; (B) A FUEL TANK; (C) AN ADDITIVE PUMP HAVING AN INLET AND AN OUTLET, THE INLET COMMUNICATING WITH THE ADDITIVE TANK; (D) A FUEL PUMP HAVING AN INLET AND AN OUTLET, THE INLET COMMUNICATING WITH THE FUEL TANK; (E) A CONDUIT CONNECTING THE OUTLET OF THE ADDITIVE PUMP WITH THE INLET OF THE FUEL PUMP; (F) A POWER SOURCE OPERATIVELY CONNECTED TO THE ADDITIVE PUMP THE SAID POWER SOURCE BEING INDEPENDENT OF BOTH THE OPERATING PRESSURE AND SPEED OF THE FUEL PUMP; (G) MEANS IN THE SAID CONDUIT FOR DETECTING SUCTION AT THE INLET OF THE FUEL PUMP, SAID MEANS BEING OPERATIVELY CONNECTED TO THE POWER SOURCE FOR THE ADDITIVE PUMP WHEREBY THE ADDITIVE PUMP IS ENERGIZED WHEN THE FUEL PUMP GENERATES SUCTION AT ITS INLET.
Claim 2
Dependent Claim
135 words
AN ADDITIVE DELIVERY DEVICE COMPRISING: (A) AN ADDITIVE TANK; (B) A FUEL TANK; (C) AN ADDITIVE PUMP HAVING AN INLET AND AN OUTLET, THE INLET COMMUNICATING WITH THE ADDITIVE TANK; (D) A FUEL PUMP HAVING AN INLET AND AN OUTLET, THE INLET COMMUNICATING WITH THE FUEL TANK; (E) A CONDUIT CONNECTING THE OUTLET OF THE ADDITIVE PUMP WITH THE INLET OF THE FUEL PUMP; (F) A POWER SOURCE OPERATIVELY CONNECTED TO THE ADDITIVE PUMP THE SAID POWER SOURCE BEING INDEPENDENT OF BOTH THE OPERATING PRESSURE AND SPEED OF THE FUEL PUMP; (G) MEANS IN THE SAID CONDUIT FOR DETECTING SUCTION AT THE INLET OF THE FUEL PUMP, SAID MEANS BEING OPERATIVELY CONNECTED TO THE POWER SOURCE FOR THE ADDITIVE PUMP WHEREBY THE ADDITIVE PUMP IS ENERGIZED WHEN THE FUEL PUMP GENERATES SUCTION AT ITS INLET.
References Cited (Backward Citations)
US595942A
Cited
US2162074A
Cited
US2605708A
Cited
US2674190A
Cited
US2936835A
Cited
US2938509A
Cited
US3161020A
Cited
US3150676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |