Patent US2815427A successfully refreshed from Google Patents.
US2815427A
Expired / Lapsed
US
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Smoke and odor eliminator
Assignee: Lanteris Space LLC
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Filing: 1954-08-27
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Granted: 1957-12-03
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Expires: 1974-08-27
Abstract
No abstract record available.
Inventors
- 👤 Harold W Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:37
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/20; F24C15/2042; F24C15/205; A; A47; A47J; A47J36/00; A47J36/38; Y; Y10; Y10S; Y10S55/00; Y10S55/10; Y10S55/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US173294A
Cited
US201943A
Cited
US839797A
Cited
GB206118A
Cited
US1739968A
Cited
US2224945A
Cited
US2554694A
Cited
US2524554A
Cited
US2631216A
Cited
US2658742A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-02 | 1961-06-03 | 1961-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-02 | 1965-06-03 | 1965-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-02 | 1969-06-03 | 1969-12-03 | $7700.00 | Window Closed / Lapsed |