US3383159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combustion elements
Assignee: American Thermocatalytic Corp
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Filing: 1966-02-03
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Granted: 1968-05-14
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Expires: 1986-02-03
Abstract
No abstract record available.
Inventors
- 👤 Jr Roger M Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:27
CPC Classifications
F; F23; F23C; F23C99/00; F23D; F23D14/00; F23D14/12; F23D14/16; F24; F24C; F24C15/00; F24C15/24; F23C2700/00; F23C2700/04; F23C2700/043; F23D2212/00; F23D2212/10; F23D2212/103; F23D2212/20; F23D2212/203; Y; Y02; Y02E; Y02E20/00; Y02E20/34
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) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |