US3345997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemical proportioning device and the like
Assignee: Individual
•
Filing: 1966-09-16
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Granted: 1967-10-10
•
Expires: 1986-09-16
Abstract
No abstract record available.
Inventors
- 👤 Roy E Miller
- 👤 Earl R Mowery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:27
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/68; C02F1/685; C02F1/686; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2516; Y10T137/2534
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
MEANS FOR ADMIXING FLUIDS IN PREDETERMINED VOLUMETRIC PROPORTIONS RELATIVE TO ONE ANOTHER AND COMPRISING INDEPENDENT PUMP MEANS FOR, RESPECTIVELY, EACH OF SAID FLUIDS, FIRST MEANS CONNECTING EACH OF SAID PUMP MEANS WITH A SEPARATE FLUID SOURCE AND WITH THE INLET PORT OF ITS RESPECTIVE PUMP MEANS, SAID FIRST MEANS INCLUDING ACTUATING MEANS FOR EACH OF SAID PUMP MEANS, A MIXING CHAMBER, AND SECOND MEANS CONNECTING SAID MIXING CHAMBER WITH AN OUTLET PORT OF EACH OF SAID PUMPS, AND FLUID PRESSURE-RESPONSIVE CONTROL MEANS DISPOSED IN SAID MIXING CHAMBER OPERABLY-CONNECTED WITH SAID ACTUATING MEANS TO CONTROL THE LATTER IN RESPONSE TO FLUID PRESSURE WITHIN SAID MIXING CHAMBER, WHEREIN ONE OF SAID FLUIDS IS UNDER PRESSURE AND EACH OF SAID PUMP MEANS IS SIMULTANEOUSLY OPERATED IN RESPONSE TO THE PRESSURE EXERTED BY SAID ONE FLUID ON ITS ASSOCIATED PUMP MEANS.
Claim 2
Dependent Claim
137 words
MEANS FOR ADMIXING FLUIDS IN PREDETERMINED VOLUMETRIC PROPORTIONS RELATIVE TO ONE ANOTHER AND COMPRISING INDEPENDENT PUMP MEANS FOR, RESPECTIVELY, EACH OF SAID FLUIDS, FIRST MEANS CONNECTING EACH OF SAID PUMP MEANS WITH A SEPARATE FLUID SOURCE AND WITH THE INLET PORT OF ITS RESPECTIVE PUMP MEANS, SAID FIRST MEANS INCLUDING ACTUATING MEANS FOR EACH OF SAID PUMP MEANS, A MIXING CHAMBER, AND SECOND MEANS CONNECTING SAID MIXING CHAMBER WITH AN OUTLET PORT OF EACH OF SAID PUMPS, AND FLUID PRESSURE-RESPONSIVE CONTROL MEANS DISPOSED IN SAID MIXING CHAMBER OPERABLY-CONNECTED WITH SAID ACTUATING MEANS TO CONTROL THE LATTER IN RESPONSE TO FLUID PRESSURE WITHIN SAID MIXING CHAMBER, WHEREIN ONE OF SAID FLUIDS IS UNDER PRESSURE AND EACH OF SAID PUMP MEANS IS SIMULTANEOUSLY OPERATED IN RESPONSE TO THE PRESSURE EXERTED BY SAID ONE FLUID ON ITS ASSOCIATED PUMP MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |