US2287369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump
Assignee: Individual
•
Filing: 1940-01-31
•
Granted: 1942-06-23
•
Expires: 1960-01-31
Abstract
No abstract record available.
Inventors
- 👤 Swan F Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:05
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/18; F04C14/22; F04C14/223; F01; F01C; F01C21/00; F01C21/08; F01C21/0809; F01C21/0881; F04C11/00; F04C13/00; F04C13/005; F04C15/00; F04C15/0057; F04C15/0061; F04C2/00; F04C2/30; F04C2/34; F04C2/344; F04C2/3441; F04C2230/00; F04C2230/70; F05; F05B; F05B2230/00; F05B2230/70
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) | 1945-06-22 | 1945-12-22 | 1946-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-06-22 | 1949-12-22 | 1950-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-06-22 | 1953-12-22 | 1954-06-23 | $7700.00 | Window Closed / Lapsed |