US1366028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: Individual
•
Filing: 1919-12-06
•
Granted: 1921-01-18
•
Expires: 1939-12-06
Abstract
No abstract record available.
Inventors
- 👤 Oscar W Schlag
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:43
CPC Classifications
E; E03; E03F; E03F5/00; E03F5/04; E03F5/0401; E03F5/0405; E03F2005/0416; E03F2005/0417; Y; Y10; Y10T; Y10T137/00; Y10T137/4456; Y10T137/4463; Y10T137/4471; Y10T137/4478; Y10T137/4501; Y10T137/4508; Y10T137/7287; Y10T137/7358; Y10T137/7423; Y10T137/7426; Y10T137/7436
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) | 1924-01-18 | 1924-07-19 | 1925-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-01-18 | 1928-07-19 | 1929-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-01-18 | 1932-07-19 | 1933-01-18 | $7700.00 | Window Closed / Lapsed |