US658325A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double-acting pump.
Assignee: Individual
•
Filing: 1899-12-13
•
Granted: 1900-09-18
•
Expires: 1919-12-13
Abstract
No abstract record available.
Inventors
- 👤 John M Stukes
- 👤 Earnest K Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:35
CPC Classifications
F; F04; F04B; F04B27/00; F04B27/02
Claims Analysis
Total Claims: 0
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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) | 1903-09-18 | 1904-03-19 | 1904-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-09-18 | 1908-03-19 | 1908-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-09-18 | 1912-03-19 | 1912-09-18 | $7700.00 | Window Closed / Lapsed |