US3346265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastomeric oil seal having a laminated metal reinforcing member
Assignee: Federal Mogul LLC
•
Filing: 1964-06-08
•
Granted: 1967-10-10
•
Expires: 1984-06-08
Abstract
No abstract record available.
Inventors
- 👤 George D Rhoads
- 👤 Robert N Haynie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:15
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3248
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A RADIAL-LIP ROTARY SHAFT SEAL OF THE TYPE HAVING A GENERALLY CYLINDRICAL METAL REINFORCING MEMBER AND AN ELASTOMERIC MEMBER BONDED TO SAID REINFORCING MEMBER AT A BODY PORTION AND PROVIDING A SEALING LIP JOINED TO SAID BODY PORTION BY A FLEXIBEL NECK, CHARACTERIZED BY SAID METAL REINFORCING MEMBER HAVING A PLURALITY OF RADIALLY SUCCESSIVE LAMINATIONS HAVING RECESSES EXTENDING AXIALLY OF SAID SEAL AND SPACED APART LONGITUDINALLY THEREIN WITH ELASTOMER OF SAID SEALING MEMBER FILLING SAID RECESSES BETWEEN SUCCESSIVE LAMINATIONS AND RIGIDIFYING THE STRUCTURE, THE RADIAL THICKNESS OF SAID METAL REINFORCING MEMBER COM-
Claim 2
Dependent Claim
92 words
A RADIAL-LIP ROTARY SHAFT SEAL OF THE TYPE HAVING A GENERALLY CYLINDRICAL METAL REINFORCING MEMBER AND AN ELASTOMERIC MEMBER BONDED TO SAID REINFORCING MEMBER AT A BODY PORTION AND PROVIDING A SEALING LIP JOINED TO SAID BODY PORTION BY A FLEXIBEL NECK, CHARACTERIZED BY SAID METAL REINFORCING MEMBER HAVING A PLURALITY OF RADIALLY SUCCESSIVE LAMINATIONS HAVING RECESSES EXTENDING AXIALLY OF SAID SEAL AND SPACED APART LONGITUDINALLY THEREIN WITH ELASTOMER OF SAID SEALING MEMBER FILLING SAID RECESSES BETWEEN SUCCESSIVE LAMINATIONS AND RIGIDIFYING THE STRUCTURE, THE RADIAL THICKNESS OF SAID METAL REINFORCING MEMBER COM-
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) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |