US1823006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: Individual
•
Filing: 1930-08-08
•
Granted: 1931-09-15
•
Expires: 1950-08-08
Abstract
No abstract record available.
Inventors
- 👤 Soupal Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:20
CPC Classifications
F; F16; F16K; F16K35/00; F16K35/06; Y; Y10; Y10T; Y10T137/00; Y10T137/7069; Y10T137/7131; Y10T137/8593; Y10T137/86493; Y10T137/86839
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1934-09-14 | 1935-03-16 | 1935-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-09-14 | 1939-03-16 | 1939-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-09-14 | 1943-03-16 | 1943-09-15 | $7700.00 | Window Closed / Lapsed |