US1230634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flushing-valve.
Assignee: Individual
•
Filing: 1916-04-27
•
Granted: 1917-06-19
•
Expires: 1936-04-27
Abstract
No abstract record available.
Inventors
- 👤 Frank L White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:14
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/30; E03D1/34; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/6161; Y10T137/6164; Y10T137/6167; Y10T137/6171; Y10T137/6174; Y10T137/7287; Y10T137/7358; Y10T137/7361
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) | 1920-06-18 | 1920-12-18 | 1921-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-06-18 | 1924-12-18 | 1925-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-06-18 | 1928-12-18 | 1929-06-19 | $7700.00 | Window Closed / Lapsed |