Patent US5216753A successfully refreshed from Google Patents.
Patent US4226311A successfully refreshed from Google Patents.
Patent US2458025A successfully refreshed from Google Patents.
Patent US3246369A successfully refreshed from Google Patents.
US3246369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold for fluid seal
Assignee: Federal Mogul LLC
•
Filing: 1965-03-15
•
Granted: 1966-04-19
•
Expires: 1985-03-15
Abstract
No abstract record available.
Inventors
- 👤 George D Rhoads
- 👤 Vasalie L Peickii
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:56
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0053; B29C; B29C33/00; B29C33/0033; B29C43/00; B29C43/02; B29C43/18; B29C2043/189; B29K; B29K2021/00; B29L; B29L2031/00; B29L2031/26; Y; Y10; Y10S; Y10S277/00; Y10S277/924; Y10S425/00; Y10S425/047
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
121 words
A MOLD FOR MAKING A METAL-REINFORCED ELASTOMERIC OIL SEAL OF THE TYPE HAVING A SEALING LIP WITH A GARTER SPRING MOLDED INTO THE LIP BODY, COMPRISING A PLURAL-ELEMENT MOLD, ONE SAID ELEMENT HAVING THEREIN A SPRING-RECEIVING CAVITY, SAID CAVITY HAVING TWO RADIALLY CONVERGING GENERALLY AXIALLY EXTENDING WALLS MEETING AT A DEAD END, SAID DEAD END HAVING A GROOVE WIDTH SMALLER THAN THE COIL DIAMETER OF SAID SPRING, AND MEANS PROVIDING FOR ELASTOMER FLOW DURING MOLD CLOSURE IN A DIRECTION TENDING TO MOVE SAID SPRING DEEPER INTO SAID CAVITY AND INTO CONTACT WITH BOTH SAID WALLS AT A LOCUS SPACED FROM SAID DEAD END FOR CONTINUOUS FULL-CIRCLE SUPPORT THEREBY WHILE CONFINING SAID SPRING AGAINST ANY APPRECIABLE AXIAL AND RADIAL MOVEMENT DURING MOLDING.
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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |