Patent US3119463A successfully refreshed from Google Patents.
US3119463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant injectors
Assignee: Tecalemit Ltd
•
Filing: 1962-06-29
•
Granted: 1964-01-28
•
Expires: 1982-06-29
Abstract
No abstract record available.
Inventors
- 👤 Jackson Harold Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:58
CPC Classifications
F; F16; F16N; F16N27/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
157 words
A LUBRICANT INJECTOR COMPRISING A BODY WITH AN INTERNAL CHAMBER, A LUBRICANT INLET AND A LUBRICANT OUTLET LEADING RESPECTIVELY TO AND FROM SAID CHAMBER, CLOSURE MEANS WHICH NORMALLY CLOSES SAID OUTLET BUT IS DISPLACEABLE INTO OPEN POSITION UNDER LUBRICANT PRESSURE IN SAID CHAMBER, A TUBE EXTENDING AXIALLY INTO SAID CHAMBER FROM SAID LUBRICANT OUTLET, A LUBRICANT-DISCHARGING PISTON SLIDABLE ON SAID TUBE, A PISTON STOP ON SAID TUBE, SPRING MEANS URGING SAID PISTON AGAINST SAID STOP, FURTHER STOP MEANS SERVING TO LIMIT MOVEMENT OF SAID PISTON AGAINST SAID SPRING, A PORT IN SAID TUBE PLACING THE BORE OF SAID TUBE IN COMMUNICATION WITH THE CHAMBER SPACE AROUND SAID TUBE AT THE OUTLET SIDE OF SAID PISTON, A NON-RETURN VALVE MEMBER AXIALLY DISPLACEABLE IN SAID CHAMBER ON THE INLET SIDE OF SAID PISTON OVER A DISTANCE WHICH IS LESS THAN THAT OVER WHICH SAID PISTON IS MOVABLE, SAID VALVE MEMBER HAVING SEALING MEANS CO-OPERATING WITH THE WALL OF THE
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) | 1967-01-27 | 1967-07-29 | 1968-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-27 | 1971-07-29 | 1972-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-27 | 1975-07-29 | 1976-01-28 | $7700.00 | Window Closed / Lapsed |