US3109459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid resistor
Assignee: Individual
•
Filing: 1962-06-07
•
Granted: 1963-11-05
•
Expires: 1982-06-07
Abstract
No abstract record available.
Inventors
- 👤 Ii Leighton Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:57
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/01; G05D7/0186; F; F15; F15B; F15B21/00; F16; F16L; F16L55/00; F16L55/02; F16L55/027; F16L55/02709
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
AN INSERTABLE AND REMOVABLE FLUID RESISTOR FOR USE IN RESTRICTING FLOW IN A FLUID PASSAGE OF A METAL PART COMPRISING; (A) A HOLLOW BODY HAVING A GENERALLY CYLINDRICAL OUTER SURFACE, (B) A PLURALITY OF SEPARATE SPACED APART ANNULAR GROOVES IN A PORTION OF THE CYLINDRICAL OUTER SURFACE, (C) A PRE-CALIBRATED FLUID RESTRICTING ORIFICE WITHIN THE HOLLOW BODY, (D) A TAPERED INNER BORE WITHIN THE HOLLOW BODY EXTENDING THROUGHOUT THE PORTION OF THE BODY HAVING THE ANNULAR GROOVES, (E) A SEPARATE HOLLOW EXPANDER PIN ADAPTED TO RADIALLY EXPAND THE OUTSIDE OF THE HOLLOW BODY, AND (F) A TAPERED OUTER SURFACE ON THE HOLLOW METAL EXPANDER PIN FOR COOPERATING WITH THE TAPERED INNER BORE WHEN THE EXPANDER PIN IS MOVED AXIALLY THEREIN TO THEREBY UNIFORMLY AND RADIALLY EXPAND THE METAL BODY INTO FLUID TYPE SEALING ENGAGEMENT WITH THE CYLINDRICAL BORE.
Claim 2
Dependent Claim
138 words
AN INSERTABLE AND REMOVABLE FLUID RESISTOR FOR USE IN RESTRICTING FLOW IN A FLUID PASSAGE OF A METAL PART COMPRISING; (A) A HOLLOW BODY HAVING A GENERALLY CYLINDRICAL OUTER SURFACE, (B) A PLURALITY OF SEPARATE SPACED APART ANNULAR GROOVES IN A PORTION OF THE CYLINDRICAL OUTER SURFACE, (C) A PRE-CALIBRATED FLUID RESTRICTING ORIFICE WITHIN THE HOLLOW BODY, (D) A TAPERED INNER BORE WITHIN THE HOLLOW BODY EXTENDING THROUGHOUT THE PORTION OF THE BODY HAVING THE ANNULAR GROOVES, (E) A SEPARATE HOLLOW EXPANDER PIN ADAPTED TO RADIALLY EXPAND THE OUTSIDE OF THE HOLLOW BODY, AND (F) A TAPERED OUTER SURFACE ON THE HOLLOW METAL EXPANDER PIN FOR COOPERATING WITH THE TAPERED INNER BORE WHEN THE EXPANDER PIN IS MOVED AXIALLY THEREIN TO THEREBY UNIFORMLY AND RADIALLY EXPAND THE METAL BODY INTO FLUID TYPE SEALING ENGAGEMENT WITH THE CYLINDRICAL BORE.
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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) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |