US3510138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil seal with rock shield and wear sleeve
Assignee: Federal Mogul LLC
•
Filing: 1965-10-15
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Granted: 1970-05-05
•
Expires: 1985-10-15
Abstract
No abstract record available.
Inventors
- 👤 Edward K Bowen
- 👤 Philip A Smith
- 👤 Kenneth N Donelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:45
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3248; F16J15/3252; F16J15/3256; F16J15/3264
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2564792A
Cited
US3341265A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |