Patent US3587573A successfully refreshed from Google Patents.
US3587573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inhalation device with rupturable microscopic capsules
Assignee: Individual
•
Filing: 1969-06-20
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Granted: 1971-06-28
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Expires: 1989-06-20
Abstract
Abstract AN INHALATION DEVICE UTILIZING A DEFORMABLE TUBE CONTAINING ABSORBENT PAPER WHICH CARRIES MICROENCAPSULATED TREATMENT MATERIAL TO BE INHALED. BY SQUEEZING THE DEFORMABLE TUBE THE MICROCAPSULES RUPTURE AND THE TREATMENT MATERIAL CAN BE BREATHED TO FRESHEN THE BREATH OR THE MEDICINAL PURPOSES.
Inventors
- 👤 John Gene Flack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:34
CPC Classifications
A; A61; A61M; A61M15/00; A61M15/06
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 |