Patent US790795A successfully refreshed from Google Patents.
US790795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal pump.
Assignee: Individual
•
Filing: 1905-03-24
•
Granted: 1905-05-23
•
Expires: 1925-03-24
Abstract
No abstract record available.
Inventors
- 👤 Edward S Lea
- 👤 Julius Degen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:27
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/18; F04D29/22; F04D29/2261; F04D29/2266
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1908-05-22 | 1908-11-21 | 1909-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-05-22 | 1912-11-21 | 1913-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-05-22 | 1916-11-21 | 1917-05-23 | $7700.00 | Window Closed / Lapsed |