US1519664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump
Assignee: L S FISHER
•
Filing: 1922-01-03
•
Granted: 1924-12-16
•
Expires: 1942-01-03
Abstract
No abstract record available.
Inventors
- 👤 Elbert L Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:48
CPC Classifications
F; F04; F04D; F04D1/00; F04D1/12; F04D3/00; F04D3/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
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) | 1927-12-16 | 1928-06-16 | 1928-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-12-16 | 1932-06-16 | 1932-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-12-16 | 1936-06-16 | 1936-12-16 | $7700.00 | Window Closed / Lapsed |