US949993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piston.
Assignee: ASHCROFT MANUFACTURING Co
•
Filing: 1909-09-24
•
Granted: 1910-02-22
•
Expires: 1929-09-24
Abstract
No abstract record available.
Inventors
- 👤 Frederick C Blanchard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:26
CPC Classifications
F; F16; F16J; F16J1/00; F16J1/08
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) | 1913-02-21 | 1913-08-23 | 1914-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-02-21 | 1917-08-23 | 1918-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-02-21 | 1921-08-23 | 1922-02-22 | $7700.00 | Window Closed / Lapsed |