US3354912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sectional hydraulic valve structure
Assignee: Individual
•
Filing: 1965-01-11
•
Granted: 1967-11-28
•
Expires: 1985-01-11
Abstract
No abstract record available.
Inventors
- 👤 Carroll G Gordon
- 👤 William F Stoesser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:34
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/8667; Y10T137/86694; Y10T137/8671
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
A HYDRAULIC VALVE STRUCTURE, SAID HYDRAULIC VALVE STRUCTURE COMPRISING A VALVE BODY AND A VALVE SPOOL; SAID VALVE BODY BEING FORMED OF FIRST, SECOND AND THIRD BODY SECTIONS, SAID BODY SECTIONS HAVING AN AXIS THERETHROUGH, A CYLINDRICAL BORE FORMED IN SAID FIRST, SECOND AND THIRD BODY SECTIONS, SAID CYLINDRICAL BORE TERMINATING IN THE FIRST AND SECOND FACES IN SAID FIRST AND THIRD BODY SECTIONS AND SAID CYLINDRICAL BORE EXTENDING ALL THE WAY THROUGH SAID SECOND BODY SECTION, SAID CYLINDRICAL BORE DEFINING ADJACENT CYLINDRICAL SURFACES IN SAID FIRST AND SECOND AND SAID SECOND AND THIRD BODY SECTIONS, FIRST, SECOND AND THIRD SLEEVES POSITIONED WITHIN SAID BORE, SAID RIRST, AND SECOND AND THIRD SLEEVES EACH HAVING A CYLINDRICAL OUTER SURFACE FORMED ABOUT SAID AXIS AND ENGAGING WITH THE INTERIOR SURFACES OF SAID BORE, SAID FIRST SLEEVE HAVING ITS OUTER SURFACE ENGAGING IN SAID BORE AT SAID ADJACENT CYLINDRICAL SURFACES IN SAID FIRST AND SECOND BODY SECTIONS AND SAID THIRD SLEEVE HAVING IT OUTER SURFACE ENGAGING WITHIN SAID BORE AT SAID ADJACENT CYLINDRICAL SURFACES IN SAID SECOND AND THIRD BODY SECTIONS SO THAT SAID BODY SECTION ARE MAINTAINED BY CONTACT WITH
Claim 2
Dependent Claim
188 words
A HYDRAULIC VALVE STRUCTURE, SAID HYDRAULIC VALVE STRUCTURE COMPRISING A VALVE BODY AND A VALVE SPOOL; SAID VALVE BODY BEING FORMED OF FIRST, SECOND AND THIRD BODY SECTIONS, SAID BODY SECTIONS HAVING AN AXIS THERETHROUGH, A CYLINDRICAL BORE FORMED IN SAID FIRST, SECOND AND THIRD BODY SECTIONS, SAID CYLINDRICAL BORE TERMINATING IN THE FIRST AND SECOND FACES IN SAID FIRST AND THIRD BODY SECTIONS AND SAID CYLINDRICAL BORE EXTENDING ALL THE WAY THROUGH SAID SECOND BODY SECTION, SAID CYLINDRICAL BORE DEFINING ADJACENT CYLINDRICAL SURFACES IN SAID FIRST AND SECOND AND SAID SECOND AND THIRD BODY SECTIONS, FIRST, SECOND AND THIRD SLEEVES POSITIONED WITHIN SAID BORE, SAID RIRST, AND SECOND AND THIRD SLEEVES EACH HAVING A CYLINDRICAL OUTER SURFACE FORMED ABOUT SAID AXIS AND ENGAGING WITH THE INTERIOR SURFACES OF SAID BORE, SAID FIRST SLEEVE HAVING ITS OUTER SURFACE ENGAGING IN SAID BORE AT SAID ADJACENT CYLINDRICAL SURFACES IN SAID FIRST AND SECOND BODY SECTIONS AND SAID THIRD SLEEVE HAVING IT OUTER SURFACE ENGAGING WITHIN SAID BORE AT SAID ADJACENT CYLINDRICAL SURFACES IN SAID SECOND AND THIRD BODY SECTIONS SO THAT SAID BODY SECTION ARE MAINTAINED BY CONTACT WITH
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |