US1364144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic valve
Assignee: Individual
•
Filing: 1920-02-09
•
Granted: 1921-01-04
•
Expires: 1940-02-09
Abstract
No abstract record available.
Inventors
- 👤 Roszkowski Adolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:26
CPC Classifications
B; B61; B61K; B61K11/00; B61K11/02; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3021; Y10T137/304; Y10T137/3052; Y10T137/3068; Y10T137/3115; Y10T137/3127; Y10T137/7287; Y10T137/7358; Y10T137/7404; Y10T137/794; Y10T137/8013
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) | 1924-01-04 | 1924-07-05 | 1925-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-01-04 | 1928-07-05 | 1929-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-01-04 | 1932-07-05 | 1933-01-04 | $7700.00 | Window Closed / Lapsed |