Patent US4099082A successfully refreshed from Google Patents.
Patent US3124016A successfully refreshed from Google Patents.
US3124016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
reaser
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
•
Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:01
CPC Classifications
B; B28; B28D; B28D1/00; B28D1/02; B28D1/04; B28D1/041; Y; Y10; Y10T; Y10T408/00; Y10T408/36; Y10T408/375; Y10T408/378; Y10T408/65; Y10T408/675; Y10T408/6757
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN A DRILLING MACHINE OF THE CLASS DESCRIBED, IN COMBINATION, A CYLINDER, A DRILLING SPINDLE EXTENDING THROUGH SAID CYLINDER, MEANS FOR ROTATING SAID SPINDLE, VERTICALLY SPACED REAR AND FRONT BEARINGS FOR SAID SPINDLE MOUNTED ONE AT EACH END OF SAID CYLINDER, SAID SPINDLE HAVING A REAR END EXTENDING OUTWARDLY FROM SAID REAR BEARING, LIQUID SUPPLY PASSAGES IN SAID BEARINGS FOR CONDUCTING LIQUID THEREINTO FOR LUBRICATING SAID SPINDLE IN SAID BEARINGS, A PISTON ON SAID SPINDLE POSITIONED IN SAID CYLINDER BETWEEN SAID BEARINGS, SEALING MEANS ON SAID PISTON, A FEEDING LIQUID LINE CONNECTED TO SAID CYLINDER BEHIND SAID PISTON, MEANS FOR CONSTANTLY SUPPLYING LIQUID AT FEEDING PRESSURE TO SAID LINE, A RETRACTING LIQUID LINE CONNECTED TO SAID CYLINDER AT THE OTHER SIDE OF SAID PISTON,
Claim 2
Dependent Claim
124 words
IN A DRILLING MACHINE OF THE CLASS DESCRIBED, IN COMBINATION, A CYLINDER, A DRILLING SPINDLE EXTENDING THROUGH SAID CYLINDER, MEANS FOR ROTATING SAID SPINDLE, VERTICALLY SPACED REAR AND FRONT BEARINGS FOR SAID SPINDLE MOUNTED ONE AT EACH END OF SAID CYLINDER, SAID SPINDLE HAVING A REAR END EXTENDING OUTWARDLY FROM SAID REAR BEARING, LIQUID SUPPLY PASSAGES IN SAID BEARINGS FOR CONDUCTING LIQUID THEREINTO FOR LUBRICATING SAID SPINDLE IN SAID BEARINGS, A PISTON ON SAID SPINDLE POSITIONED IN SAID CYLINDER BETWEEN SAID BEARINGS, SEALING MEANS ON SAID PISTON, A FEEDING LIQUID LINE CONNECTED TO SAID CYLINDER BEHIND SAID PISTON, MEANS FOR CONSTANTLY SUPPLYING LIQUID AT FEEDING PRESSURE TO SAID LINE, A RETRACTING LIQUID LINE CONNECTED TO SAID CYLINDER AT THE OTHER SIDE OF SAID PISTON,
References Cited (Backward Citations)
US2406482A
Cited
US2539072A
Cited
US2647407A
Cited
US2655058A
Cited
US2916333A
Cited
US2941338A
Cited
US2956453A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |