US1751061A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve for water softeners
Assignee: Individual
•
Filing: 1928-08-09
•
Granted: 1930-03-18
•
Expires: 1948-08-09
Abstract
No abstract record available.
Inventors
- 👤 Beest Benjamin H Ter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:53
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/06; F16K11/065; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86726; Y10T137/86879; Y10T137/86887
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) | 1933-03-17 | 1933-09-16 | 1934-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-03-17 | 1937-09-16 | 1938-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-03-17 | 1941-09-16 | 1942-03-18 | $7700.00 | Window Closed / Lapsed |