US3404965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fume combustion apparatus
Assignee: Individual
•
Filing: 1964-11-13
•
Granted: 1968-10-08
•
Expires: 1984-11-13
Abstract
No abstract record available.
Inventors
- 👤 Benjamin P Shiller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:56
CPC Classifications
F; F23; F23G; F23G7/00; F23G7/06; F23G7/061; F23G7/065; F23G7/066; F23G7/068; B; B01; B01D; B01D53/00; B01D53/34; Y; Y10; Y10S; Y10S60/00; Y10S60/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2715569A
Cited
US2996143A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |