US3517672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating a smoking composition to reduce undesirable products therefrom
Assignee: American Safety Equipment Corp
•
Filing: 1968-08-09
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Granted: 1970-06-30
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Expires: 1988-08-09
Abstract
No abstract record available.
Inventors
- 👤 Irving Michelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:18
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/18; A24B15/24; A24B15/241; A24B15/243; A24B15/28; A24B15/281; A24B15/282; A24B15/287; A24D; A24D1/00; A24D1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA702919A
Cited
US2859753A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |