US898255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feed-water regulator.
Assignee: JOHN T VANNESS
•
Filing: 1907-11-30
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Granted: 1908-09-08
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Expires: 1927-11-30
Abstract
No abstract record available.
Inventors
- 👤 Harry R O'brian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:01
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/18; F16K31/20; F16K31/24; F16K31/26; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7297; Y10T137/73; Y10T137/7358; Y10T137/7439; Y10T137/7485
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) | 1911-09-08 | 1912-03-09 | 1912-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-09-08 | 1916-03-09 | 1916-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-09-08 | 1920-03-09 | 1920-09-08 | $7700.00 | Window Closed / Lapsed |