US3431393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for vaporizing chemicals and perfumes by heating
Assignee: Dainihon Jochugiku Co Ltd
•
Filing: 1965-09-07
•
Granted: 1969-03-04
•
Expires: 1985-09-07
Abstract
No abstract record available.
Inventors
- 👤 Yoshio Katsuda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:43
CPC Classifications
A; A01; A01M; A01M1/00; A01M1/20; A01M1/2022; A01M1/2061; A01M1/2077; Y; Y10; Y10S; Y10S261/00; Y10S261/88; Y10S261/89
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1727899A
Cited
US1944821A
Cited
US1154113A
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US1163657A
Cited
US2461664A
Cited
US2597195A
Cited
US2640904A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |