Patent US685662A successfully refreshed from Google Patents.
US685662A
Expired / Lapsed
US
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Hydraulic valve.
Assignee: Individual
•
Filing: 1901-04-01
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Granted: 1901-10-29
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Expires: 1921-04-01
Abstract
No abstract record available.
Inventors
- 👤 Harry F Anawalt
- 👤 Paul Shalkowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:21
CPC Classifications
B; B60; B60G; B60G17/00; B60G17/02; B60G17/04; B60G17/052; B60G17/0523; B60G17/0525; F; F16; F16K; F16K11/00; F16K11/02; F16K11/04; F16K11/044; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86919; Y10T137/87056; Y10T137/87072; Y10T137/87169; Y10T137/87233; Y10T137/87241; Y10T137/877; Y10T137/87829; Y10T137/87837; Y10T137/87861
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) | 1904-10-28 | 1905-04-29 | 1905-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-10-28 | 1909-04-29 | 1909-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-10-28 | 1913-04-29 | 1913-10-29 | $7700.00 | Window Closed / Lapsed |