US3187348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flush tank valve
Assignee: Individual
•
Filing: 1964-01-14
•
Granted: 1965-06-08
•
Expires: 1984-01-14
Abstract
No abstract record available.
Inventors
- 👤 Paul J Gresham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:41
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/30; E03D1/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A VALVE FOR A FLUSH TANK HAVING AN OUTLET OPENING INCLUDING A BUOYANT VALVE MEMBER FOR SEATING ENGAGEMENT WITH THE OUTLET OPENING, MEANS FOR LIFTING THE VALVE MEMBER OUT OF ENGAGEMENT WITH THE OUTLET OPENING, SAID VALVE MEMBER HAVING AN AXIAL UPWARDLY OPENING CAVITY, AND UPRIGHT GUIDE MEANS SUSPENDED ABOVE SAID VALVE MEMBER WITH ITS LOWER END PORTION EXTENDING INTO THE CAVITY, SAID CAVITY HAVING AN UPPER PORTION OF APPRECIABLY GREATER TRANSVERSE DIMENSION THAN THE ADJACENT PORTION OF SAID
Claim 2
Dependent Claim
79 words
A VALVE FOR A FLUSH TANK HAVING AN OUTLET OPENING INCLUDING A BUOYANT VALVE MEMBER FOR SEATING ENGAGEMENT WITH THE OUTLET OPENING, MEANS FOR LIFTING THE VALVE MEMBER OUT OF ENGAGEMENT WITH THE OUTLET OPENING, SAID VALVE MEMBER HAVING AN AXIAL UPWARDLY OPENING CAVITY, AND UPRIGHT GUIDE MEANS SUSPENDED ABOVE SAID VALVE MEMBER WITH ITS LOWER END PORTION EXTENDING INTO THE CAVITY, SAID CAVITY HAVING AN UPPER PORTION OF APPRECIABLY GREATER TRANSVERSE DIMENSION THAN THE ADJACENT PORTION OF SAID
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) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |