US3472455A
Expired / Lapsed
US
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Aerosol apparatus and method of generating micronic size aerosol particles
Assignee: Paramedical Research & Dev Cor
•
Filing: 1967-06-20
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Granted: 1969-10-14
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Expires: 1987-06-20
Abstract
No abstract record available.
Inventors
- 👤 James E Johnson
- 👤 Clifford G Priest
- 👤 Gerald F Lackey
- 👤 Kenneth D Swonger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:41
CPC Classifications
A; A61; A61M; A61M15/00; A61M16/00; A61M16/10; A61M16/1075; A61M16/109; A61M11/00; A61M11/06; A61M16/105; A61M16/106; A61M16/107
Claims Analysis
Total Claims: 0
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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) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |