US2969171A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blower or compressor of the multi-cell construction
Assignee: Individual
•
Filing: 1959-03-18
•
Granted: 1961-01-24
•
Expires: 1979-03-18
Abstract
No abstract record available.
Inventors
- 👤 Venediger Herbert Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:37
CPC Classifications
F; F04; F04C; F04C18/00; F04C18/30; F04C18/34; F04C18/344; Y; Y10; Y10S; Y10S417/00; Y10S417/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US330001A
Cited
FR22059E
Cited
US1364014A
Cited
US1408649A
Cited
FR560906A
Cited
US1807392A
Cited
US2367326A
Cited
US2414187A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |