US1895047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas pressure regulator
Assignee: Individual
•
Filing: 1931-06-15
•
Granted: 1933-01-24
•
Expires: 1951-06-15
Abstract
No abstract record available.
Inventors
- 👤 Neumann Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:44
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/02; G05D16/04; G05D16/06; G05D16/063; G05D16/0644; G05D16/0652; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7754; Y10T137/7756; Y10T137/7757
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) | 1936-01-24 | 1936-07-25 | 1937-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-01-24 | 1940-07-25 | 1941-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-01-24 | 1944-07-25 | 1945-01-24 | $7700.00 | Window Closed / Lapsed |