Patent US1803180A successfully refreshed from Google Patents.
US3523743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deflector for a centrifugal blower
Assignee: The Brundage Co
•
Filing: 1969-01-16
•
Granted: 1970-08-11
•
Expires: 1989-01-16
Abstract
No abstract record available.
Inventors
- 👤 Gerald P Jolette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:41
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/40; F04D29/42; F04D29/4206; F04D29/422
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE1071888B
Cited
CA679982A
Cited
US2452274A
Cited
US2951630A
Cited
US3085741A
Cited
US3221983A
Cited
US3191851A
Cited
US3307776A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |