US614798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlling-valve
Assignee: —
•
Filing: —
•
Granted: 1898-11-22
•
Expires: 1915-11-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:22
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; F16; F16K; F16K11/00; F16K11/10; F16K11/14; F16K11/18; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87056; Y10T137/87064; Y10T137/87169
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) | 1901-11-22 | 1902-05-24 | 1902-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1905-11-22 | 1906-05-24 | 1906-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1909-11-22 | 1910-05-24 | 1910-11-23 | $7700.00 | Window Closed / Lapsed |