Patent US3146950A successfully refreshed from Google Patents.
US3146950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spraying apparatus
Assignee: Individual
•
Filing: 1961-12-22
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Granted: 1964-09-01
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Expires: 1981-12-22
Abstract
No abstract record available.
Inventors
- 👤 William K Lancaster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:26
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/74; B29B7/7438; B29B7/7447; B05; B05B; B05B15/00; B05B15/20; B05B15/50; B05B15/55; B05B15/60; B05B15/63; B05B7/00; B05B7/02; B05B7/04; B05B7/0408; B05B7/0416; B05B7/0441; B05B7/0475; B05B7/12; B05B7/129
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A SPRAY APPARATUS COMPRISING A BLOCK HAVING AN END FACE, A NOZZLE HAVING AN INNER WALL AND ATTACHED TO SAID BLOCK AT THE END FACE, THE INNER WALL OF SAID NOZZLE DEFINING A MIXING CHAMBER PROXIMATE TO SAID END FACE, SAID BLOCK DEFINING A PAIR OF CHANNELS OPENING INTO SAID MIXING CHAMBER AND A BORE EXTENDING ACROSS AT LEAST ONE OF SAID CHANNELS, MEANS TO INTRODUCE FLUID INTO SAID CHANNELS, SAID CHANNELS BEING ADAPTED TO CONTINUOUSLY CONNECT SAID MIXING CHAMBER WITH SAID FLUID INTRODUCING MEANS, SAID BLOCK FURTHER DEFINING A THIRD CHANNEL BIFURCATING INTO SAID PAIR OF CHANNELS AND ADAPTED TO FURNISH COMPRESSED AIR TO THEM, A VALVE ELEMENT ROTATABLY SEATED IN SAID BORE WHEREBY ROTATION OF SAID VALVE ELEMENT REGULATES THE RATE OF VOLUMETRIC FLOW THROUGH SAID CHANNELS EXTENDED BY SAID BORE TO DETERMINE THE PROPORTION OF FLUIDS FROM SAID CHANNELS BEING DISPENSED INTO SAID MIXING CHAMBER.
Claim 2
Dependent Claim
148 words
A SPRAY APPARATUS COMPRISING A BLOCK HAVING AN END FACE, A NOZZLE HAVING AN INNER WALL AND ATTACHED TO SAID BLOCK AT THE END FACE, THE INNER WALL OF SAID NOZZLE DEFINING A MIXING CHAMBER PROXIMATE TO SAID END FACE, SAID BLOCK DEFINING A PAIR OF CHANNELS OPENING INTO SAID MIXING CHAMBER AND A BORE EXTENDING ACROSS AT LEAST ONE OF SAID CHANNELS, MEANS TO INTRODUCE FLUID INTO SAID CHANNELS, SAID CHANNELS BEING ADAPTED TO CONTINUOUSLY CONNECT SAID MIXING CHAMBER WITH SAID FLUID INTRODUCING MEANS, SAID BLOCK FURTHER DEFINING A THIRD CHANNEL BIFURCATING INTO SAID PAIR OF CHANNELS AND ADAPTED TO FURNISH COMPRESSED AIR TO THEM, A VALVE ELEMENT ROTATABLY SEATED IN SAID BORE WHEREBY ROTATION OF SAID VALVE ELEMENT REGULATES THE RATE OF VOLUMETRIC FLOW THROUGH SAID CHANNELS EXTENDED BY SAID BORE TO DETERMINE THE PROPORTION OF FLUIDS FROM SAID CHANNELS BEING DISPENSED INTO SAID MIXING CHAMBER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |