Patent US3103947A successfully refreshed from Google Patents.
US3103947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drain attachment
Assignee: McNeil Machine and Engineering Co
•
Filing: 1961-09-13
•
Granted: 1963-09-17
•
Expires: 1981-09-13
Abstract
No abstract record available.
Inventors
- 👤 Carl H Mueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:50
CPC Classifications
F; F01; F01M; F01M11/00; F01M11/04; F01M11/0408; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6855; Y10T137/6881; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/7888; Y10T137/7889; Y10T137/8593; Y10T137/8807
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
A DRAIN ATTACHMENT COMPRISING A FITTING CONSISTING OF A CYLINDRICAL STEM HAVING AN EXTERNAL SCREW THREAD AT ONE END CONSTITUTING ITS INNER END FOR THREADING INTO A DRAIN HOLE IN A CRANKCASE AND A HEAD AT ITS OTHER OR OUTER END, SAID STEM HAVING AN AXIAL PASSAGE EXTENDING FROM ITS SAID INNER END AND TERMINATING SHORT OF THE OUTER END OF THE FITTING AND RADIAL PORTS EXTENDING OUTWARD FROM THE PASSAGE INTERMEDIATE THE INNER END OF THE SCREW THREAD AND THE HEAD, AN ANNULAR BODY ROTATABLY MOUNTED ON THE STEM, SAID BODY HAVING AN INTERNAL ANNULAR RECESS ADAPTED FOR COMMUNICATION WITH THE PASSAGE IN THE STEM VIA SAID PORTS, PACKING INTERPOSED BETWEEN THE HEAD AND THE OUTER END OF THE BODY AND PACKING AT THE INNER END OF THE BODY FOR SEALING THE RECESS, AN ELASTIC SLEEVE STRETCHED ON SAID STEM NORMALLY TO COVER AND SEAL THE OUTER ENDS OF SAID PORTS WITHIN SAID RECESS, AND A DRAIN HOSE EXTENDING FROM SAID BODY IN COMMUNICATION WITH SAID RECESS.
Claim 2
Dependent Claim
168 words
A DRAIN ATTACHMENT COMPRISING A FITTING CONSISTING OF A CYLINDRICAL STEM HAVING AN EXTERNAL SCREW THREAD AT ONE END CONSTITUTING ITS INNER END FOR THREADING INTO A DRAIN HOLE IN A CRANKCASE AND A HEAD AT ITS OTHER OR OUTER END, SAID STEM HAVING AN AXIAL PASSAGE EXTENDING FROM ITS SAID INNER END AND TERMINATING SHORT OF THE OUTER END OF THE FITTING AND RADIAL PORTS EXTENDING OUTWARD FROM THE PASSAGE INTERMEDIATE THE INNER END OF THE SCREW THREAD AND THE HEAD, AN ANNULAR BODY ROTATABLY MOUNTED ON THE STEM, SAID BODY HAVING AN INTERNAL ANNULAR RECESS ADAPTED FOR COMMUNICATION WITH THE PASSAGE IN THE STEM VIA SAID PORTS, PACKING INTERPOSED BETWEEN THE HEAD AND THE OUTER END OF THE BODY AND PACKING AT THE INNER END OF THE BODY FOR SEALING THE RECESS, AN ELASTIC SLEEVE STRETCHED ON SAID STEM NORMALLY TO COVER AND SEAL THE OUTER ENDS OF SAID PORTS WITHIN SAID RECESS, AND A DRAIN HOSE EXTENDING FROM SAID BODY IN COMMUNICATION WITH SAID RECESS.
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) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |