US3444906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for filling aerosol cans
Assignee: Sprayon Products Inc
•
Filing: 1964-10-30
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Granted: 1969-05-20
•
Expires: 1984-10-30
Abstract
No abstract record available.
Inventors
- 👤 William Moonan
- 👤 Richard H Skidmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:42
CPC Classifications
B; B65; B65B; B65B31/00; B65B31/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
236 words
AN APPARATUS FOR CHARGING MATERIAL TO BE SPRAYED INTO AN AEROSOL CAN CONTAINING A LIQUIFIED PROPELLANT GAS UNDER PRESSURE, THE CAN HAVING A NORMALLY CLOSED DISCHARGE VALVE AT THE TOP THEREOF, THE APPARATUS COMPRISING A BASE, A CYLINDER MEMBER SUPPORTED ON THE BASE AND HAVING A MAIN WORKING BORE COMMUNICATING AT ITS LOWER END WITH A BORE OF REDUCED DIAMETER THAT CLOSELY SURROUNDS THE DISCHARGE VALVE OF A CAN DISPOSED IN THE APPARATUS, MEANS FOR FORMING A SEAL BETWEEN THE INTERIOR OF THE BORE OF REDUCTED DIAMETER AND EXTERIOR OF THE DISCHARGE VALVE OF AN AEROSOL CAN DISPOSED IN THE APPARATUS AND A RESERVOIR FOR SUPPLYING MATERIAL TO BE INJECTED INTO THE AEROSOL CAN TO THE WORKING BORE, A PISTON OPERABLE IN THE WORKING BORE FOR INJECTING MATERIAL INTO THE CAN AND A VALVE MEMBER IN THE BORE OF REDUCTED DIAMETER FOR PREVENTING LEAKAGE OF MATERIAL FROM THE APPARATUS WHEN THE DISCHARGE VALVE IS DISENGAGED FROM THE BORE OF REDUCED DIAMETER, THE MEANS FOR FORMING A SEAL BETWEEN THE BORE OF REDUCED DIAMETER AND THE EXTERIOR OF THE DISCHARGE VALVE ALSO CONSTITUTING A SEAT THAT IS ENGAGEABLE BY THE VALVE MEMBER TO PROVENT LEAKAGE FROM SAID BORE WHEN THERE IS NO AEROSOL CAN DISPOSED IN THE APPARATUS AND BEING LIFTED FROM ITS SEAT BY DIRECT ENGAGEMENT WITH THE UPPER END OF THE DISCHARGE VALVE OF AN AEROSOL CAN THAT IS POSITIONED IN THE APPARATUS FOR CHARGING.
Claim 2
Independent Claim
236 words
AN APPARATUS FOR CHARGING MATERIAL TO BE SPRAYED INTO AN AEROSOL CAN CONTAINING A LIQUIFIED PROPELLANT GAS UNDER PRESSURE, THE CAN HAVING A NORMALLY CLOSED DISCHARGE VALVE AT THE TOP THEREOF, THE APPARATUS COMPRISING A BASE, A CYLINDER MEMBER SUPPORTED ON THE BASE AND HAVING A MAIN WORKING BORE COMMUNICATING AT ITS LOWER END WITH A BORE OF REDUCED DIAMETER THAT CLOSELY SURROUNDS THE DISCHARGE VALVE OF A CAN DISPOSED IN THE APPARATUS, MEANS FOR FORMING A SEAL BETWEEN THE INTERIOR OF THE BORE OF REDUCTED DIAMETER AND EXTERIOR OF THE DISCHARGE VALVE OF AN AEROSOL CAN DISPOSED IN THE APPARATUS AND A RESERVOIR FOR SUPPLYING MATERIAL TO BE INJECTED INTO THE AEROSOL CAN TO THE WORKING BORE, A PISTON OPERABLE IN THE WORKING BORE FOR INJECTING MATERIAL INTO THE CAN AND A VALVE MEMBER IN THE BORE OF REDUCTED DIAMETER FOR PREVENTING LEAKAGE OF MATERIAL FROM THE APPARATUS WHEN THE DISCHARGE VALVE IS DISENGAGED FROM THE BORE OF REDUCED DIAMETER, THE MEANS FOR FORMING A SEAL BETWEEN THE BORE OF REDUCED DIAMETER AND THE EXTERIOR OF THE DISCHARGE VALVE ALSO CONSTITUTING A SEAT THAT IS ENGAGEABLE BY THE VALVE MEMBER TO PROVENT LEAKAGE FROM SAID BORE WHEN THERE IS NO AEROSOL CAN DISPOSED IN THE APPARATUS AND BEING LIFTED FROM ITS SEAT BY DIRECT ENGAGEMENT WITH THE UPPER END OF THE DISCHARGE VALVE OF AN AEROSOL CAN THAT IS POSITIONED IN THE APPARATUS FOR CHARGING.
References Cited (Backward Citations)
CH229913A
Cited
US3013591A
Cited
US3256917A
Cited
US3237809A
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US3227161A
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US3335765A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |