US3341211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packing rings and method of making them
Assignee: Garlock Inc
•
Filing: 1963-04-01
•
Granted: 1967-09-12
•
Expires: 1983-04-01
Abstract
No abstract record available.
Inventors
- 👤 George E Houghton
- 👤 Edward J Messenger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:55
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/18; F16J15/20; Y; Y10; Y10S; Y10S277/00; Y10S277/924; Y10S417/00; Y10S417/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A PACKING RING OF V-SHAPE IN RADIAL SECTION WITH THE RECESS OF THE V FACING AXIALLY OF THE RING; SAID RING COMPRISING AN ANNULUS WHICH IS OF TEXTILE MATERIAL OF INTERTWINED STRANDS INCLUDING ASBESTOS AND HAS AN IMPREGNATION OF SINTERED TEFLON; SAID TEXTILE MATERIAL EXTENDING IN APPROXIMATE PARALLELISM WITH INNER AND OUTER SURFACES OF THE PACKING RING; AND SAID ANNULUS BEING CIRCUMFERENTIALLY UNIFORM AND CONTINUOUS IN THAT, AT ALL CIRCUMFERENTIAL AREAS, SAID STRANDS ARE SIMILARLY DISPOSED WITH REFERENCE TO A CIRCUMFERENTIAL LINE OF THE RING, AND CIRCUMFERENTIALLY EXTENDING STRANDS IN EACH OF SAID AREAS ARE CONTINUOUS WITH REFERENCE TO CIRCUMFERENTIALLY EXTENDING STRANDS IN ADJACENT AREAS.
Claim 2
Dependent Claim
105 words
A PACKING RING OF V-SHAPE IN RADIAL SECTION WITH THE RECESS OF THE V FACING AXIALLY OF THE RING; SAID RING COMPRISING AN ANNULUS WHICH IS OF TEXTILE MATERIAL OF INTERTWINED STRANDS INCLUDING ASBESTOS AND HAS AN IMPREGNATION OF SINTERED TEFLON; SAID TEXTILE MATERIAL EXTENDING IN APPROXIMATE PARALLELISM WITH INNER AND OUTER SURFACES OF THE PACKING RING; AND SAID ANNULUS BEING CIRCUMFERENTIALLY UNIFORM AND CONTINUOUS IN THAT, AT ALL CIRCUMFERENTIAL AREAS, SAID STRANDS ARE SIMILARLY DISPOSED WITH REFERENCE TO A CIRCUMFERENTIAL LINE OF THE RING, AND CIRCUMFERENTIALLY EXTENDING STRANDS IN EACH OF SAID AREAS ARE CONTINUOUS WITH REFERENCE TO CIRCUMFERENTIALLY EXTENDING STRANDS IN ADJACENT AREAS.
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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) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |