Patent US2407923A successfully refreshed from Google Patents.
US2407923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump
Assignee: ANKER HOLTH Manufacturing Co Inc
•
Filing: 1944-01-31
•
Granted: 1946-09-17
•
Expires: 1964-01-31
Abstract
No abstract record available.
Inventors
- 👤 George E Gall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:36
CPC Classifications
F; F04; F04B; F04B17/00; F04B17/03; F04B17/04; F04C; F04C2/00; F04C2/08; F04C2/12; F04C2/14; F04C2/18
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) | 1949-09-16 | 1950-03-18 | 1950-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-09-16 | 1954-03-18 | 1954-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-09-16 | 1958-03-18 | 1958-09-17 | $7700.00 | Window Closed / Lapsed |