US2646072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selector valve for water treating apparatus
Assignee: Worthington Corp
•
Filing: 1950-04-20
•
Granted: 1953-07-21
•
Expires: 1970-04-20
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Sebald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:03
CPC Classifications
F; F16; F16K; F16K47/00; F16K47/02; F16K47/023; C; C02; C02F; C02F1/00; C02F1/42; F16K11/00; F16K11/10; F16K11/14; F16K11/16; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87153; Y10T137/87161
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1149869A
Cited
US1511974A
Cited
US1822578A
Cited
US2145246A
Cited
US2453707A
Cited
US2460011A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-20 | 1957-01-19 | 1957-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-20 | 1961-01-19 | 1961-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-20 | 1965-01-19 | 1965-07-21 | $7700.00 | Window Closed / Lapsed |