Patent US3684760A successfully refreshed from Google Patents.
Patent US2427818A successfully refreshed from Google Patents.
US2427818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump
Assignee: Malsbary Manufacturing Co
•
Filing: 1945-12-29
•
Granted: 1947-09-23
•
Expires: 1965-12-29
Abstract
No abstract record available.
Inventors
- 👤 Walter W Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:34
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/02; F04B43/06; F04B43/067; F04B13/00; F04B13/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-22 | 1951-03-24 | 1951-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-22 | 1955-03-24 | 1955-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-22 | 1959-03-24 | 1959-09-23 | $7700.00 | Window Closed / Lapsed |