Patent US4726540A successfully refreshed from Google Patents.
US3199732A
Expired / Lapsed
US
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Spray timer
Assignee: Robertshaw Controls Co
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Filing: 1963-03-20
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Granted: 1965-08-10
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Expires: 1983-03-20
Abstract
No abstract record available.
Inventors
- 👤 Strachan Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:34
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/16; B65D83/26; B65D83/262; F; F16; F16K; F16K31/00; F16K31/44; F16K31/48; B65D83/44; B65D83/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
MEANS FOR EFFECTING A SPRAY DISCHARGE FROM A PRESSURIZER CONTAINER, SAID CONTAINER HAVING A DISPLACABLE DISCHARGE VALVE STEM AND A VALVE COVER HAVING A RE-ENTRANT CAVITY THEREIN SORROUNDING SAID VALVE STEM, SAID VALVE COVER HAVING A RAISED ANNULAR MOLDING DEFINING THE SAID RE-ENTRAND CAVITY THEREIN SAID MEANS COMPRISING A SPRAY NOZZLE ON SAID VALVE STEM INCLUDING A DISCHARGE PORT, A HOUSING ADAPTED TO PARTIALLY ENCLOSE SAID NOZZLE, MOUNTING MEANS IN SAID HOUSING RELEASABLY ENGAGING SAID ANNULAR MOLDING WITHIN SAID RE-ENTRANT CAVITY OF SAID VALVE COVER PARTIALLY ENCLOSING SAID NOZZLE AND INCLUDING A DISCHARGE OPENING IN REGISTRY WITH THE SAID DISCHARGE PORT OF SAID NOZZLE, WHEREBY SAID HOUSING IS RELEASABLY MOUNTED ON SAID CONTAINER, DRIVE MEANS IN SAID HOUSING HAVING A TIMED PERIODIC OUTPUT AND ACTUATING MEANS ADJACENT SAID NOZZLE AND DRIVEN BY SAID DRIVE MEANS TO PERIODICALLY ENGAGE SAID NOZZLE AND EFFECT A SPRAY DISCHARGE THEREFROM OF A PREDETERMINED DURATION.
Claim 2
Dependent Claim
150 words
MEANS FOR EFFECTING A SPRAY DISCHARGE FROM A PRESSURIZER CONTAINER, SAID CONTAINER HAVING A DISPLACABLE DISCHARGE VALVE STEM AND A VALVE COVER HAVING A RE-ENTRANT CAVITY THEREIN SORROUNDING SAID VALVE STEM, SAID VALVE COVER HAVING A RAISED ANNULAR MOLDING DEFINING THE SAID RE-ENTRAND CAVITY THEREIN SAID MEANS COMPRISING A SPRAY NOZZLE ON SAID VALVE STEM INCLUDING A DISCHARGE PORT, A HOUSING ADAPTED TO PARTIALLY ENCLOSE SAID NOZZLE, MOUNTING MEANS IN SAID HOUSING RELEASABLY ENGAGING SAID ANNULAR MOLDING WITHIN SAID RE-ENTRANT CAVITY OF SAID VALVE COVER PARTIALLY ENCLOSING SAID NOZZLE AND INCLUDING A DISCHARGE OPENING IN REGISTRY WITH THE SAID DISCHARGE PORT OF SAID NOZZLE, WHEREBY SAID HOUSING IS RELEASABLY MOUNTED ON SAID CONTAINER, DRIVE MEANS IN SAID HOUSING HAVING A TIMED PERIODIC OUTPUT AND ACTUATING MEANS ADJACENT SAID NOZZLE AND DRIVEN BY SAID DRIVE MEANS TO PERIODICALLY ENGAGE SAID NOZZLE AND EFFECT A SPRAY DISCHARGE THEREFROM OF A PREDETERMINED DURATION.
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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |