US3369346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for detecting combustion products in a pneumatic conveyor
Assignee: Maschinenfabrik Rieter AG
•
Filing: 1966-09-16
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Granted: 1968-02-20
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Expires: 1986-09-16
Abstract
No abstract record available.
Inventors
- 👤 Wildbolz Rudolf
- 👤 Hanselmann Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:46
CPC Classifications
G; G08; G08B; G08B17/00; G08B17/10; G08B17/11; G01; G01N; G01N15/00; G01N15/06; G01N15/0606; G01N15/0618; G01N27/00; G01N27/62; G08B17/113; Y; Y10; Y10T; Y10T137/00; Y10T137/8158
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |