US2604852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump impeller
Assignee: Fairbanks Morse and Co
•
Filing: 1948-05-03
•
Granted: 1952-07-29
•
Expires: 1968-05-03
Abstract
No abstract record available.
Inventors
- 👤 Millard H Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:47
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/18; F04D29/188; F04D5/00; F04D5/002
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1381673A
Cited
US1146375A
Cited
US1228267A
Cited
US1676103A
Cited
GB325930A
Cited
US1912408A
Cited
GB459468A
Cited
US2220669A
Cited
US2228124A
Cited
US2455194A
Cited
US2460952A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-29 | 1956-01-28 | 1956-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-29 | 1960-01-28 | 1960-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-29 | 1964-01-28 | 1964-07-29 | $7700.00 | Window Closed / Lapsed |