Patent US3348804A successfully refreshed from Google Patents.
US3348804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve construction
Assignee: Grove Valve and Regulator Co
•
Filing: 1964-06-10
•
Granted: 1967-10-24
•
Expires: 1984-06-10
Abstract
No abstract record available.
Inventors
- 👤 Jack E Piccardo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:21
CPC Classifications
F; F16; F16K; F16K41/00; F16K27/00; F16K27/06; F16K27/067; F16K27/10; F16K27/107; F16K5/00; F16K5/06; F16K5/0605; F16K5/0647; F16K5/0663; F16K5/0673; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/6031; Y10T137/6058; Y10T137/6065; Y10T137/6069
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
112 words
A ROTATABLE VALVE STRUCTURE COMPRISING: A ROTATABLE VALVE MEMBER, A PAIR OF BEARING BLOCKS ROTATABLY RECEIVING SAID VALVE MEMBER, A PAIR OF END WALLS OF PLATE MATERIAL, MEANS ENGAGED AROUND THE EDGES OF SAID END WALLS DRAWING SAID EDGES TOWARD EACH OTHER TO CLAMP SAID BEARING BLOCKS BETWEEN SAID END WALLS, AND A BODY RING COMPLETELY CONTAINING SAID VALVE MEMBER, EMBRACING SAID BEARING BLOCKS AND ENCLOSING THE SPACE BETWEEN SAID END WALLS, SAID BODY RING BEING SLIGHTLY NARROWER THAN SAID BEARING BLOCKS, AND A RESILIENT SEAL AROUND THE EDGES OF SAID BODY RING, SAID DRAWING MEANS PULLING THE EDGES OF SAID END WALLS TOWARD EACH OTHER INTO ENGAGEMENT WITH SAID RESILIENT SEAL.
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) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |