Patent US2655866A successfully refreshed from Google Patents.
US3074591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure closure
Assignee: Individual
•
Filing: 1960-12-09
•
Granted: 1963-01-22
•
Expires: 1980-12-09
Abstract
No abstract record available.
Inventors
- 👤 Raver Clarence Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:06
CPC Classifications
F; F16; F16J; F16J13/00; F16J13/02; F16J13/10; Y; Y10; Y10S; Y10S285/00; Y10S285/917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A PRESSURE CLOSURE ASSEMBLY COMPRISING IN COMBINATION: A VESSEL; AN ANNULAR WALL ON SAID VESSEL HAVING A RADIAL GROOVE FORMED IN THE INWARDLY FACING SURFACE THEREOF; SHEAR RESISTANT MEANS RECIEVABLE IN SAID GROOVE AND PROJECTING RADIALLY FROM THE INWARDLY FACING SURFACE OF SAID WALL; A CLOSURE MEMBER RECEIVABLE WITHIN SAID WALL; SEAL MEANS BETWEEN SAID MEMBER AND SAID VESSEL; MEANS FOR DRAWING SAID MEMBER INTO SAID VESSEL AGAINST SAID SEAL MEANS TO PERMIT INSERTION OF SAID SHEAR RESISTANT MEANS IN SAID GROOVE OVERLYING SAID MEMBER; AND MEANS FOR DRAWING SAID MEMBER OUTWARDLY AGAINST SAID SHEAR RESISTANT MEANS, WHEREBY SAID VESSEL, SAID SHEAR RESISTANT MEANS AND SAID CLOSURE ARE RIGIDLY INTERCONNECTED WITHOUT TRANSMISSION OF RIGIDIFYING STRESSES THROUGH SAID SEAL MEANS.
Claim 2
Dependent Claim
119 words
A PRESSURE CLOSURE ASSEMBLY COMPRISING IN COMBINATION: A VESSEL; AN ANNULAR WALL ON SAID VESSEL HAVING A RADIAL GROOVE FORMED IN THE INWARDLY FACING SURFACE THEREOF; SHEAR RESISTANT MEANS RECIEVABLE IN SAID GROOVE AND PROJECTING RADIALLY FROM THE INWARDLY FACING SURFACE OF SAID WALL; A CLOSURE MEMBER RECEIVABLE WITHIN SAID WALL; SEAL MEANS BETWEEN SAID MEMBER AND SAID VESSEL; MEANS FOR DRAWING SAID MEMBER INTO SAID VESSEL AGAINST SAID SEAL MEANS TO PERMIT INSERTION OF SAID SHEAR RESISTANT MEANS IN SAID GROOVE OVERLYING SAID MEMBER; AND MEANS FOR DRAWING SAID MEMBER OUTWARDLY AGAINST SAID SHEAR RESISTANT MEANS, WHEREBY SAID VESSEL, SAID SHEAR RESISTANT MEANS AND SAID CLOSURE ARE RIGIDLY INTERCONNECTED WITHOUT TRANSMISSION OF RIGIDIFYING STRESSES THROUGH SAID SEAL MEANS.
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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |