Patent US3468634A successfully refreshed from Google Patents.
US3468634A
Expired / Lapsed
US
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Concentric tube odor eliminator
Assignee: Alstom Power Inc
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Filing: 1966-03-23
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Granted: 1969-09-23
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Expires: 1986-03-23
Abstract
No abstract record available.
Inventors
- 👤 Carl E Pauletta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:49
CPC Classifications
F; F23; F23G; F23G7/00; F23G7/06; F23G7/07; B; B01; B01D; B01D53/00; B01D53/34; F23G7/061; F23G7/065; F23G7/066
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) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |