US2986344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic monitor
Assignee: Chiksan Co
•
Filing: 1959-07-23
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Granted: 1961-05-30
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Expires: 1979-07-23
Abstract
No abstract record available.
Inventors
- 👤 Knight Houston Wheeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:53
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/08; F16L27/0804; F16L27/0808; F16L27/0812; A; A62; A62C; A62C31/00; A62C31/02; A62C31/24; B; B05; B05B; B05B15/00; B05B15/60; B05B15/65; B05B15/652; F16L27/0861
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |