Patent US3415281A successfully refreshed from Google Patents.
US3415281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valves
Assignee: NILE CORP
•
Filing: 1965-08-11
•
Granted: 1968-12-10
•
Expires: 1985-08-11
Abstract
No abstract record available.
Inventors
- 👤 Perlman Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:26
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/10; F16K11/14; F16K11/18; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86815
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
90 words
A VALVE INCLUDING IN COMBINATION: A BODY HAVING THREE GENERALLY PARALLEL BORES OPENING TO ITS UPPER END; AND A CONTROL PLATE FOR CLOSING OR OPENING THE UPPER ENDS OF SAID THREE BORES, AND, THUS, BEING MOVABLE ACROSS SUCH UPPER ENDS; TWO OF SAID BORES BEING INLET BORES FOR HOT AND COLD WATER RESPECTIVELY; THE THIRD BORE BEING AN OUTLET BORE FOR A MIXTURE OF HOT AND COLD WATER DETERMINED AS TO VOLUME AND MIXTURE BY THE POSITION OF THE CONTROL PLATE RELATIVE TO THE UPPER ENDS OF THE THREE BORES;
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |