US3605706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve stem oil deflector
Assignee: Microdot Inc
•
Filing: 1969-12-12
•
Granted: 1971-09-20
•
Expires: 1989-12-12
Abstract
Abstract AN OIL DEFLECTOR ADAPTED TO BE MOUNTED ON THE STEM OF A VALVE OF AN INTERNAL COMBUSTION ENGINE COMPRISES A GENERALLY CUP-SHAPED MOLDED THERFMOPLASTIC MEMBER HAVING A RADIALLY EXTENDING WALL SECTION AND AN INTEGRAL AXIALLY EXTENDING RIBBED SKIRT SECTION, THE WALL SECTION INCLUDING AN INTERIORLY EXTENDING THICKNED NECK SECTION DEFINING A TAPERED BORE ADAPTED TO RECEIVE THE VALVE STEM THEREWITHIN.
Inventors
- 👤 Jack A Bush
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:56
CPC Classifications
F; F01; F01L; F01L3/00; F01L3/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |