US3347341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission case cover
Assignee: Individual
•
Filing: 1965-10-24
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Granted: 1967-10-17
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Expires: 1985-10-24
Abstract
No abstract record available.
Inventors
- 👤 Walter C Avrea
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:15
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/02; F; F16; F16H; F16H57/00; F16H57/04; F16H57/0402; F16H57/0447; F16H57/0449; F16H57/045; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2186
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
IN A GEAR HOUSING HAVING AN INSPECTION OPENING AND WITHIN WHICH GEARS OPERATE IN A BATH OF OIL, AN INSPECTION PLATE COMPRISING A SHEET OF SUBSTANTIALLY TRANSPARENT MATERIAL, SAID SHEET HAVING A VIEW PORTION SUBSTANTIALLY COINCIDING WITH SAID OPENING, A SEALING FLANGE HAVING A GASKET THEREON EXTENDING AROUND AND OUTSIDE SAID VIEW PORTION, A SEAT ON THE HOUSING SURROUNDING SAID OPENING AND ADAPTED TO RECEIVE SAID GASKET IN SEALING RELATIONSHIP, ATTACHMENT MEANS CONNECTING SAID FLANGE TO SAID SEAT, AND AN OUTWARDLY PROJECTING PROTRUSION EXTENDING TO SAID SEAT, AND HORIZONTALLY ACROSS THE LOWER END OF SAID VIEW PORTION, SAID PROTRUSION HAVING A POCKET WITH AN INWARDLY FACING OPENING, SAID SOCKET EXTENDING OUTWARDLY RELATIVE TO SAID SEALING FLANGE WHEREBY DURING AGITATION OF OIL IN SAID HOUSING OIL FLOWS SUCCESSIVELY OVER THE INNER FACE OF SAID PLATE AND INTO SAID POCKET.
Claim 2
Dependent Claim
138 words
IN A GEAR HOUSING HAVING AN INSPECTION OPENING AND WITHIN WHICH GEARS OPERATE IN A BATH OF OIL, AN INSPECTION PLATE COMPRISING A SHEET OF SUBSTANTIALLY TRANSPARENT MATERIAL, SAID SHEET HAVING A VIEW PORTION SUBSTANTIALLY COINCIDING WITH SAID OPENING, A SEALING FLANGE HAVING A GASKET THEREON EXTENDING AROUND AND OUTSIDE SAID VIEW PORTION, A SEAT ON THE HOUSING SURROUNDING SAID OPENING AND ADAPTED TO RECEIVE SAID GASKET IN SEALING RELATIONSHIP, ATTACHMENT MEANS CONNECTING SAID FLANGE TO SAID SEAT, AND AN OUTWARDLY PROJECTING PROTRUSION EXTENDING TO SAID SEAT, AND HORIZONTALLY ACROSS THE LOWER END OF SAID VIEW PORTION, SAID PROTRUSION HAVING A POCKET WITH AN INWARDLY FACING OPENING, SAID SOCKET EXTENDING OUTWARDLY RELATIVE TO SAID SEALING FLANGE WHEREBY DURING AGITATION OF OIL IN SAID HOUSING OIL FLOWS SUCCESSIVELY OVER THE INNER FACE OF SAID PLATE AND INTO SAID POCKET.
References Cited (Backward Citations)
US3096648A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |