US674808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic governor for fluid-compressors.
Assignee: Individual
•
Filing: 1899-08-21
•
Granted: 1901-05-21
•
Expires: 1919-08-21
Abstract
No abstract record available.
Inventors
- 👤 Niels Anton Christensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:45
CPC Classifications
F; F15; F15B; F15B1/00; F15B1/02; F15B1/027; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2622; Y10T137/2625
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) | 1904-05-20 | 1904-11-19 | 1905-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-05-20 | 1908-11-19 | 1909-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-05-20 | 1912-11-19 | 1913-05-21 | $7700.00 | Window Closed / Lapsed |