US3083023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring seal
Assignee: North American Aviation Corp
•
Filing: 1959-03-02
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Granted: 1963-03-26
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Expires: 1979-03-02
Abstract
No abstract record available.
Inventors
- 👤 William G Creavey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:11
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/021; F16J15/022; F16J15/024; F16J15/025; F16J15/06; F16J15/08; F16J15/0887; F16J15/10; F16J15/12; F16J15/121; F16J15/46; F16J15/48; Y; Y10; Y10S; Y10S285/00; Y10S285/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A SEALING RING COMPRISING A CHANNEL MEMBER HAVING A RING BASE PORTION WITH A SPRING SIDE WALL EXTENDING FROM SAID BASE PORTION, A SEALING RIDGE PROJECTING FROM SAID SIDE WALL, A LAYER OF RELATIVELY SOFTER RESILIENT MATERIAL DISPOSED OVER SAID SEALING RIDGE AS AN INTEGRAL PORTION OF SAID SEALING RING, MEANS ON SAID CHANNEL MEMBER DISPLACED FROM THE PLANE OF SAID SPRING SIDE WALL FOR PREVENTING THE SEALING RIDGE FROM CUTTING THROUGH THE RESILIENT LAYER WHEN THE SEAL IS SEALING HIGH PRESSURES.
Claim 2
Dependent Claim
82 words
A SEALING RING COMPRISING A CHANNEL MEMBER HAVING A RING BASE PORTION WITH A SPRING SIDE WALL EXTENDING FROM SAID BASE PORTION, A SEALING RIDGE PROJECTING FROM SAID SIDE WALL, A LAYER OF RELATIVELY SOFTER RESILIENT MATERIAL DISPOSED OVER SAID SEALING RIDGE AS AN INTEGRAL PORTION OF SAID SEALING RING, MEANS ON SAID CHANNEL MEMBER DISPLACED FROM THE PLANE OF SAID SPRING SIDE WALL FOR PREVENTING THE SEALING RIDGE FROM CUTTING THROUGH THE RESILIENT LAYER WHEN THE SEAL IS SEALING HIGH PRESSURES.
References Cited (Backward Citations)
GB130627A
Cited
US1331216A
Cited
GB264524A
Cited
US2269486A
Cited
US2330425A
Cited
US2774621A
Cited
FR1132266A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |