US802496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam-pressure-reducing valve.
Assignee: Individual
•
Filing: 1904-04-22
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Granted: 1905-10-24
•
Expires: 1924-04-22
Abstract
No abstract record available.
Inventors
- 👤 George W Collin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:34
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/10; F16K17/105; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/6154; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/7764; Y10T137/7766; Y10T137/7767
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 |