US3051186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure regulator system for hydraulic turbines
Assignee: Allis Chalmers Corp
•
Filing: 1958-10-30
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Granted: 1962-08-28
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Expires: 1978-10-30
Abstract
No abstract record available.
Inventors
- 👤 Fisch Jacob
- 👤 Webster J Mccormack
- 👤 Harry E Smyser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:21
CPC Classifications
F; F03; F03B; F03B15/00; F03B15/02; F03B15/04; F03B15/06; Y; Y02; Y02E; Y02E10/00; Y02E10/20; Y10; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8225; Y10T137/8593; Y10T137/86919; Y10T137/87096
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US806154A
Cited
US1202310A
Cited
US1706813A
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US1894314A
Cited
US1950848A
Cited
US2059649A
Cited
US2681660A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |