Patent US715441A successfully refreshed from Google Patents.
US715441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid-pumping and fluid-actuated machine.
Assignee: Individual
•
Filing: 1901-05-31
•
Granted: 1902-12-09
•
Expires: 1921-05-31
Abstract
No abstract record available.
Inventors
- 👤 William C Vandegrift
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:14
CPC Classifications
F; F04; F04D; F04D5/00
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) | 1905-12-08 | 1906-06-09 | 1906-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-12-08 | 1910-06-09 | 1910-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-12-08 | 1914-06-09 | 1914-12-09 | $7700.00 | Window Closed / Lapsed |