Patent US397039A successfully refreshed from Google Patents.
Patent US723582A successfully refreshed from Google Patents.
US723582A
Expired / Lapsed
US
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Water-cooled valve.
Assignee: Individual
•
Filing: 1902-07-30
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Granted: 1903-03-24
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Expires: 1922-07-30
Abstract
No abstract record available.
Inventors
- 👤 Clarence P Byrnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:07
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/18; F16K17/19; F16K17/194; Y; Y10; Y10T; Y10T137/00; Y10T137/4456; Y10T137/4621; Y10T137/5544; Y10T137/5617; Y10T137/8593; Y10T137/87571; Y10T137/87676; Y10T137/87684; Y10T137/87692
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) | 1906-03-23 | 1906-09-22 | 1907-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-03-23 | 1910-09-22 | 1911-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-03-23 | 1914-09-22 | 1915-03-24 | $7700.00 | Window Closed / Lapsed |