US3275023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temporary sealing means for conduit under pressure
Assignee: Individual
•
Filing: 1964-02-17
•
Granted: 1966-09-27
•
Expires: 1984-02-17
Abstract
No abstract record available.
Inventors
- 👤 Morris M Raspante
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:30
CPC Classifications
F; F16; F16L; F16L29/00; F16L29/007; F16K; F16K41/00; F16K41/02; F16K41/04; F16L55/00; F16L55/10; F16L55/105; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/6109; Y10T137/6113; Y10T137/7504; Y10T29/00; Y10T29/49; Y10T29/49403; Y10T29/49405; Y10T29/49407
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
APPARATUS FOR TEMPORARILY SEALING AN OPENING IN A CHAMBER CONTAINING FLUID UNDER PRESSURE FACILITAGE REMOVAL OF A VALVE CLOSING SAID OPENING, SAID APPARATUS COMPRISING: A SLEEVE MEMBER; MEANS ON ONE END OF SAID SLEEVE MEMBER FOR CONNECTION TO THE VALVE ON THE SIDE THEREOF REMOTE FROM SAID CHAMBER; CLOSURE MEANS ON THE OTHER END OF SAID SLEEVE MEMBER; AN ELONGATED HOLLOW SUPPORT MEMBER EXTENDING THROUGH SAID CLOSURE MEANS IN SEALING RELATION THEREWITH; A ROD SLIDABLY MOUNTED IN SAID SUPPORT MEMBER; A THIN DISC OF FLEXIBLE MATERIAL CONSTITUTING AN ANNULAR SEAL SECURED ADJACENT ONE END OF SAID SUPPORT MEMBER; AND CLAMPING MEANS CONNECTED BETWEEN ADJACENT ENDS OF SAID ROD AND SAID SUPPORT MEMBER FOR ENGAGING AND HOLDING THE PERIPHERY OF SAID THIN, FLEXIBLE ANNULAR SEAL IN ENGAGEMENT WITH THE INNER WALL OF SAID CHAMBER ADJACENT AND SURROUNDING SAID VALVED OPENING.
Claim 2
Dependent Claim
139 words
APPARATUS FOR TEMPORARILY SEALING AN OPENING IN A CHAMBER CONTAINING FLUID UNDER PRESSURE FACILITAGE REMOVAL OF A VALVE CLOSING SAID OPENING, SAID APPARATUS COMPRISING: A SLEEVE MEMBER; MEANS ON ONE END OF SAID SLEEVE MEMBER FOR CONNECTION TO THE VALVE ON THE SIDE THEREOF REMOTE FROM SAID CHAMBER; CLOSURE MEANS ON THE OTHER END OF SAID SLEEVE MEMBER; AN ELONGATED HOLLOW SUPPORT MEMBER EXTENDING THROUGH SAID CLOSURE MEANS IN SEALING RELATION THEREWITH; A ROD SLIDABLY MOUNTED IN SAID SUPPORT MEMBER; A THIN DISC OF FLEXIBLE MATERIAL CONSTITUTING AN ANNULAR SEAL SECURED ADJACENT ONE END OF SAID SUPPORT MEMBER; AND CLAMPING MEANS CONNECTED BETWEEN ADJACENT ENDS OF SAID ROD AND SAID SUPPORT MEMBER FOR ENGAGING AND HOLDING THE PERIPHERY OF SAID THIN, FLEXIBLE ANNULAR SEAL IN ENGAGEMENT WITH THE INNER WALL OF SAID CHAMBER ADJACENT AND SURROUNDING SAID VALVED OPENING.
References Cited (Backward Citations)
US2176260A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |