US1905042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure controlled valve
Assignee: Individual
•
Filing: 1930-08-14
•
Granted: 1933-04-25
•
Expires: 1950-08-14
Abstract
No abstract record available.
Inventors
- 👤 Emmett B Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:08
CPC Classifications
B; B60; B60C; B60C23/00; B60C23/02; B60C23/04; B60C23/0491; B60C23/0496; Y; Y10; Y10T; Y10T137/00; Y10T137/3584; Y10T137/36; Y10T137/3631; Y10T137/3662; Y10T137/7722; Y10T137/7781; Y10T137/7793
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) | 1936-04-24 | 1936-10-24 | 1937-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-04-24 | 1940-10-24 | 1941-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-04-24 | 1944-10-24 | 1945-04-25 | $7700.00 | Window Closed / Lapsed |