Patent US2967666A successfully refreshed from Google Patents.
US2967666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination mixing valve and fitting for water heater
Assignee: AO Smith Corp
•
Filing: 1956-04-05
•
Granted: 1961-01-10
•
Expires: 1976-04-05
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:03
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/06; F16K11/065; F24; F24H; F24H9/00; F24H9/12; F24H9/13; F24H9/133; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86348; Y10T137/86372
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US966532A
Cited
US1471784A
Cited
US1863273A
Cited
US1891926A
Cited
US1985929A
Cited
US1962214A
Cited
GB414512A
Cited
US2652358A
Cited
US2764427A
Cited
US2628597A
Cited
US2684054A
Cited
US2803409A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |