US3588469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety heater for product dispensed from aerosol container
Assignee: Colgate Palmolive Co
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Filing: 1967-11-24
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Granted: 1971-06-28
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Expires: 1987-11-24
Abstract
Abstract A SAFETY HEATER ASSEMBLY FOR WARMING SHAVING CREAM BEING DISPENSED UNDER PRESSURE FROM AN AEROSOL TYPE CONTAINER COMPRISING A HEAD ADAPTED TO BE MOUNTED ON THE DEPRESSIBLE HOLLOW DISCHARGE VALVE STEM OF THE CONTAINER AND HAVING AN INTERNAL THROUGH PASSAGE SURROUNDED BY AN ELECTRICAL HEATER COIL, AND A CONTACT MAKING AND BREAKING PLUG COMPONENT MOVABLY MOUNTED ON THE HEAD ADAPTED TO CLOSE THE CIRCUIT TO THE COIL WHEN CONNECTED TO AN ELECTRICAL OUTLET AND TO AUTO- MATICALLY OPEN THAT CIRCUIT WHEN THE HEAD PASSAGE WALLS ARE SUFFICIENTLY HEATED TO WARM THE SHAVING CREAM BEING DISPENSED.
Inventors
- 👤 Alan Dillarstone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:00
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |