US3415443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transverse flow blower with high velocity discharge
Assignee: Von Weise USA Inc
•
Filing: 1966-05-23
•
Granted: 1968-12-10
•
Expires: 1986-05-23
Abstract
No abstract record available.
Inventors
- 👤 Dov Z Glucksman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:18
CPC Classifications
F; F04; F04D; F04D17/00; F04D17/02; F04D17/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US507445A
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USRE25365E
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USRE25409E
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US820397A
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US820398A
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US839273A
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GB291007A
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US3249292A
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US3096931A
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US3178100A
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FR1284741A
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US3322333A
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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) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |