US1721797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Siphon control for washers
Assignee: Individual
•
Filing: 1926-12-22
•
Granted: 1929-07-23
•
Expires: 1946-12-22
Abstract
No abstract record available.
Inventors
- 👤 Tom L Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:59
CPC Classifications
D; D06; D06F; D06F43/00; D06F43/08; Y; Y10; Y10T; Y10T137/00; Y10T137/2713; Y10T137/2774; Y10T137/2836; Y10T137/2842; Y10T137/2849; Y10T137/7287; Y10T137/7313; Y10T137/7323; Y10T137/8158; Y10T137/8359
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) | 1932-07-22 | 1933-01-21 | 1933-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-07-22 | 1937-01-21 | 1937-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-07-22 | 1941-01-21 | 1941-07-23 | $7700.00 | Window Closed / Lapsed |