US677470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam-valve.
Assignee: Individual
•
Filing: 1900-12-18
•
Granted: 1901-07-02
•
Expires: 1920-12-18
Abstract
No abstract record available.
Inventors
- 👤 Ottokar Richter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:00
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; F15B13/0416; F15B13/0417; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2579; Y10T137/2589; Y10T137/7722; Y10T137/7723; Y10T137/7726; Y10T137/7727
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) | 1904-07-01 | 1904-12-31 | 1905-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-07-01 | 1908-12-31 | 1909-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-07-01 | 1912-12-31 | 1913-07-02 | $7700.00 | Window Closed / Lapsed |