Patent US2797737A successfully refreshed from Google Patents.
Patent US3644850A successfully refreshed from Google Patents.
Patent US3098914A successfully refreshed from Google Patents.
US3098914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil level warning devices
Assignee: Individual
•
Filing: 1961-04-27
•
Granted: 1963-07-23
•
Expires: 1981-04-27
Abstract
No abstract record available.
Inventors
- 👤 Amedio W Giannino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:57
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/22; G01F23/24; G01F23/246; G01F23/247; G01F23/248; G01F23/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
230 words
A DEVICE FOR INDICATING THE OIL LEVEL IN AN OUTOMATIC TRANSMISSION COMPRISING A DIPSTICK, SAID DIPSTICK INCLUDING AN ELONGATED CONDUCTIVE BODY ADAPTED TO EXTEND GENERALLY VERTICALLY THROUGH AN OPENING IN THE AUTOMATIC TRANSMISSION, A HANDLE SECURED ON THE UPPER END OF SAID BODY, OIL MEASURING INDICIA AND A SWITCH MOUNTED ON A LOWER END PORTION OF SAID BODY, STOP MEANS SECURED TO SAID ELONGATED BODY BETWEEN SAID HANDLE AND SWITCH, SAID STOP MEANS ADAPTED TO ENGAGE SAID TRANSMISSION AND LIMIT MOVEMENT OF SAID BODY INTO SAID OPENING WHEREBY SAID INDICIA EXTENDS INTO LIQUID IN SAID TRANSMISSION WHEN SAID LIQUID IS AT A SAFE OPERATING LEVEL, AN ELONGATED INSULATED CONDUCTOR HAVING AN END PORTION EXTENDING ALONG SAND SECURED TO SAID BODY BETWEEN SAID HANDLE AND SAID SWITCH, SAID CONDUCTOR ADAPTED TO BE CONNECTED IN SERIES WITH ELECTRIC WARNING MEANS, SAID SWITCH INCLUDING A PAIR OF CONTACTS CONNECTED IN SERIES BETWEEN SAID CONDUCTOR END PORTION AND SAID BODY, SAID SWITCH ALSO INCLUDING THERMOSTATIC MEANS ON THE LOWER END PORTION OF SAID BODY AND SAID THERMOSTATIC MEANS NORMALLY MAINTAINING SAID CONTACTS CLOSED SO AS TO ELECTRICALLY CONNECT SAID CONDUCTOR TO SAID ELONGATED BODY, SAID THERMOSTATIC MEANS WHEN IMMERSED IN THE TRANSMISSION LIQUID BEING RESPONSIVE TO A RISE TEMPERATURE OF THE LIQUID IN SAID TRANSMISSION TO OPEN SAID SWITCH AND DISCONNECT SAID WARNING MEANS FROM SAID BODY SO AS TO CAUSE SAID WARNING MEANS
Claim 2
Independent Claim
230 words
A DEVICE FOR INDICATING THE OIL LEVEL IN AN OUTOMATIC TRANSMISSION COMPRISING A DIPSTICK, SAID DIPSTICK INCLUDING AN ELONGATED CONDUCTIVE BODY ADAPTED TO EXTEND GENERALLY VERTICALLY THROUGH AN OPENING IN THE AUTOMATIC TRANSMISSION, A HANDLE SECURED ON THE UPPER END OF SAID BODY, OIL MEASURING INDICIA AND A SWITCH MOUNTED ON A LOWER END PORTION OF SAID BODY, STOP MEANS SECURED TO SAID ELONGATED BODY BETWEEN SAID HANDLE AND SWITCH, SAID STOP MEANS ADAPTED TO ENGAGE SAID TRANSMISSION AND LIMIT MOVEMENT OF SAID BODY INTO SAID OPENING WHEREBY SAID INDICIA EXTENDS INTO LIQUID IN SAID TRANSMISSION WHEN SAID LIQUID IS AT A SAFE OPERATING LEVEL, AN ELONGATED INSULATED CONDUCTOR HAVING AN END PORTION EXTENDING ALONG SAND SECURED TO SAID BODY BETWEEN SAID HANDLE AND SAID SWITCH, SAID CONDUCTOR ADAPTED TO BE CONNECTED IN SERIES WITH ELECTRIC WARNING MEANS, SAID SWITCH INCLUDING A PAIR OF CONTACTS CONNECTED IN SERIES BETWEEN SAID CONDUCTOR END PORTION AND SAID BODY, SAID SWITCH ALSO INCLUDING THERMOSTATIC MEANS ON THE LOWER END PORTION OF SAID BODY AND SAID THERMOSTATIC MEANS NORMALLY MAINTAINING SAID CONTACTS CLOSED SO AS TO ELECTRICALLY CONNECT SAID CONDUCTOR TO SAID ELONGATED BODY, SAID THERMOSTATIC MEANS WHEN IMMERSED IN THE TRANSMISSION LIQUID BEING RESPONSIVE TO A RISE TEMPERATURE OF THE LIQUID IN SAID TRANSMISSION TO OPEN SAID SWITCH AND DISCONNECT SAID WARNING MEANS FROM SAID BODY SO AS TO CAUSE SAID WARNING MEANS
References Cited (Backward Citations)
US1200643A
Cited
US1512817A
Cited
US1640257A
Cited
US1463189A
Cited
US1731822A
Cited
US2060296A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |