US3367570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blower for oil gasification burners
Assignee: Vaillant GmbH
•
Filing: 1966-01-12
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Granted: 1968-02-06
•
Expires: 1986-01-12
Abstract
No abstract record available.
Inventors
- 👤 Reichmann Horst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:13
CPC Classifications
F; F23; F23C; F23C99/00; F23C9/00; F23M; F23M9/00; F23M9/02; F23C2202/00; F23C2202/30; F23C2206/00; F23C2206/10; F23C2206/102
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE462488C
Cited
USRE24421E
Cited
US1929776A
Cited
US2292082A
Cited
US2788171A
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US2789808A
Cited
US3038698A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |