Patent US2829925A successfully refreshed from Google Patents.
US2829925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fan or blower, especially for use in pneumatic conveyor equipment
Assignee: Individual
•
Filing: 1956-04-17
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Granted: 1958-04-08
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Expires: 1976-04-17
Abstract
No abstract record available.
Inventors
- 👤 Monteil Jean Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:16
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/34; B65G53/58; F; F04; F04C; F04C18/00; F04C18/08; F04C18/12; F04C18/14; F04C18/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US666588A
Cited
US2745355A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |