US2582626A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pilot or relay valve
Assignee: Australian Iron and Steel Pty Ltd
•
Filing: 1945-09-19
•
Granted: 1952-01-15
•
Expires: 1965-09-19
Abstract
No abstract record available.
Inventors
- 👤 Escher Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:24
CPC Classifications
G; G05; G05B; G05B11/00; G05B11/44; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7758; Y10T137/7762
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US148565A
Cited
GB218506A
Cited
US1992048A
Cited
FR793316A
Cited
US2082512A
Cited
US2297361A
Cited
US2286873A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-14 | 1955-07-16 | 1956-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-14 | 1959-07-16 | 1960-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-14 | 1963-07-16 | 1964-01-15 | $7700.00 | Window Closed / Lapsed |