US2709111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spraying devices
Assignee: Aerosol Research Co
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Filing: 1952-11-22
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Granted: 1955-05-24
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Expires: 1972-11-22
Abstract
No abstract record available.
Inventors
- 👤 Edward H Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:00
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/44; B65D83/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A SPRAYING DEVICE FOR MATERIAL WITH A GAS PROPELLANT, COMPRISING: A HEAD HAVING MEANS FOR SEALING IT ON THE MOUTH OF A RECEPTACLE; AN ELASTIC DISK SECURED IN SAID HEAD; MEANS FORMING AN EXPANSION CHAMBER IN SAID HEAD UNDER SAID DISK; MEANS FOR CONDUCTING FLUID FROM THE RECEPTACLE TO SAID CHAMBER; A DIAPHRAGM-VALVE MOVABLY SEATED IN THE CHAMBER, PROVIDED WITH A METERING ORIFICE FOR THE FLOW OF FLUID FROM THE RECEPTACLE TO SAID CHAMBER; SPRING-MEANS FOR HOLDING THE DIAPHRAGM SEATED; AN UPWARDLY FACING VALVE IN SAID CHAMBER AND SEATING ON THE UNDERFACE OF THE ELASTIC DISK; AN UPSTANDING HOLLOW STEM EXTENDING THROUGH AND MOVABLY SUPPORTED BY THE ELASTIC DISK, AND PROVIDED WITH MEANS FOR UNSEATING THE VALVE FOR THE FLOW OF FLUID FROM THE CHAMBER INTO THE STEM; AND MEANS FOR DISCHARGING THE FLUID FROM THE STEM.
Claim 2
Dependent Claim
137 words
A SPRAYING DEVICE FOR MATERIAL WITH A GAS PROPELLANT, COMPRISING: A HEAD HAVING MEANS FOR SEALING IT ON THE MOUTH OF A RECEPTACLE; AN ELASTIC DISK SECURED IN SAID HEAD; MEANS FORMING AN EXPANSION CHAMBER IN SAID HEAD UNDER SAID DISK; MEANS FOR CONDUCTING FLUID FROM THE RECEPTACLE TO SAID CHAMBER; A DIAPHRAGM-VALVE MOVABLY SEATED IN THE CHAMBER, PROVIDED WITH A METERING ORIFICE FOR THE FLOW OF FLUID FROM THE RECEPTACLE TO SAID CHAMBER; SPRING-MEANS FOR HOLDING THE DIAPHRAGM SEATED; AN UPWARDLY FACING VALVE IN SAID CHAMBER AND SEATING ON THE UNDERFACE OF THE ELASTIC DISK; AN UPSTANDING HOLLOW STEM EXTENDING THROUGH AND MOVABLY SUPPORTED BY THE ELASTIC DISK, AND PROVIDED WITH MEANS FOR UNSEATING THE VALVE FOR THE FLOW OF FLUID FROM THE CHAMBER INTO THE STEM; AND MEANS FOR DISCHARGING THE FLUID FROM THE STEM.
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) | 1958-05-23 | 1958-11-22 | 1959-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-23 | 1962-11-22 | 1963-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-23 | 1966-11-22 | 1967-05-24 | $7700.00 | Window Closed / Lapsed |