US3207524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seal
Assignee: Individual
•
Filing: 1962-07-23
•
Granted: 1965-09-21
•
Expires: 1982-07-23
Abstract
No abstract record available.
Inventors
- 👤 Nicholas D Trbovich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:27
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/08; F16J15/0887; Y; Y10; Y10S; Y10S285/00; Y10S285/917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
A SEAL ADAPTED TO ENGAGE OPPOSED SURFACES COMPRISING AN ANNULAR METALLIC MEMBER OF GENERALLY V-SHAPED TRANSVERSE SECTION HAVING AN APEX AND WALLS DIVERGING FROM AND TERMINATING IN ENDS REMOTE FROM SAID APEX, SAID MEMBER COMPRISING IN TRANSVERSE SECTION SUBSTANTIALLY FLAT GENERALLY PARALLEL SURFACE-ENGAGING SEALING PORTIONS ON THE OUTER SIDES OF SAID WALLS CLOSELY ADJACENT THE ENDS THEREOF REMOTE FROM SAID APEX, THE SURFACE-ENGAGING SEALING AC TION OF SAID WALLS NORMALLY BEING CONFINED TO SAID PORTIONS, THE INNER SIDES OF SAID WALLS BEING SUBSTANTIALLY RECTILINEAR AND SUBSTANTIALLY CONTINUOUSLY DIVERGING FROMSAID APEX TO SAID REMOTE WALL ENDS, THE OUTER SIDE OF EACH OF SAID WALLS COMPRISING A PAIR OF SUBSTANTIALLY RECTILINEAR WALL SURFACES, ONE WAL SURFACE TERMINATING AT SAID APEX AND THE OTHER WALL SURFACE TERMINATING AT AND CONVERGING WITH SAID SEALING PORTION, SAID OUTER WALL SURFACES CONVERGING OUTWARDLY FROM SAID APEX AND SAID SEALING PORTION TO PROVIDE A WALL SECTION OF GREATEST THICKNESS AT A POINT SPACED BETWEEN SAID APEX AND SAID SEALING PORTION, SAID WALLS BETWEEN SAID APEX AND SAID POINTS OF GREATEST THICKNESS BEING THICKER THAN THE REMOTE END PORTIONS OF SAID WALLS, THEREBY REINFORCING SAID SEAL ADJACENT SAID APEX.
Claim 2
Dependent Claim
191 words
A SEAL ADAPTED TO ENGAGE OPPOSED SURFACES COMPRISING AN ANNULAR METALLIC MEMBER OF GENERALLY V-SHAPED TRANSVERSE SECTION HAVING AN APEX AND WALLS DIVERGING FROM AND TERMINATING IN ENDS REMOTE FROM SAID APEX, SAID MEMBER COMPRISING IN TRANSVERSE SECTION SUBSTANTIALLY FLAT GENERALLY PARALLEL SURFACE-ENGAGING SEALING PORTIONS ON THE OUTER SIDES OF SAID WALLS CLOSELY ADJACENT THE ENDS THEREOF REMOTE FROM SAID APEX, THE SURFACE-ENGAGING SEALING AC TION OF SAID WALLS NORMALLY BEING CONFINED TO SAID PORTIONS, THE INNER SIDES OF SAID WALLS BEING SUBSTANTIALLY RECTILINEAR AND SUBSTANTIALLY CONTINUOUSLY DIVERGING FROMSAID APEX TO SAID REMOTE WALL ENDS, THE OUTER SIDE OF EACH OF SAID WALLS COMPRISING A PAIR OF SUBSTANTIALLY RECTILINEAR WALL SURFACES, ONE WAL SURFACE TERMINATING AT SAID APEX AND THE OTHER WALL SURFACE TERMINATING AT AND CONVERGING WITH SAID SEALING PORTION, SAID OUTER WALL SURFACES CONVERGING OUTWARDLY FROM SAID APEX AND SAID SEALING PORTION TO PROVIDE A WALL SECTION OF GREATEST THICKNESS AT A POINT SPACED BETWEEN SAID APEX AND SAID SEALING PORTION, SAID WALLS BETWEEN SAID APEX AND SAID POINTS OF GREATEST THICKNESS BEING THICKER THAN THE REMOTE END PORTIONS OF SAID WALLS, THEREBY REINFORCING SAID SEAL ADJACENT SAID APEX.
References Cited (Backward Citations)
FR462424A
Cited
DE337039C
Cited
US1519111A
Cited
US2264147A
Cited
US2420929A
Cited
US2455202A
Cited
US2533742A
Cited
US2509363A
Cited
US3013830A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |