US802957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical mixing-valve.
Assignee: Individual
•
Filing: 1904-01-12
•
Granted: 1905-10-24
•
Expires: 1924-01-12
Abstract
No abstract record available.
Inventors
- 👤 Isaac G Waterman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:12
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/10; F16K11/14; F16K11/16; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86928; Y10T137/87048; Y10T137/87571; Y10T137/87676
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) | 1908-10-23 | 1909-04-24 | 1909-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-10-23 | 1913-04-24 | 1913-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-10-23 | 1917-04-24 | 1917-10-24 | $7700.00 | Window Closed / Lapsed |