Patent US3754861A successfully refreshed from Google Patents.
US3754861A
Expired / Lapsed
US
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Formed solid fumigant with an ignition head
Assignee: Daito Match Kogyo KK
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Filing: 1971-08-09
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Granted: 1973-08-28
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Expires: 1991-08-09
Abstract
Abstract A formed solid fumigant of the type used as an incense or insecticide is ignitable only at a relatively high temperature. It is covered at its tip portion with a layer which facilitates ignition of the solid fumigant. An ignition head, ignitable by a relatively low temperature, is provided at the tip of the covering layer.
Inventors
- 👤 J Sadahiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:31
CPC Classifications
A; A01; A01M; A01M1/00; A01M1/20; A01M1/2022; A01M1/2061; A01M1/2066
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) | 1976-08-27 | 1977-02-26 | 1977-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-27 | 1981-02-26 | 1981-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-27 | 1985-02-26 | 1985-08-28 | $7700.00 | Window Closed / Lapsed |