US3123971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating means for spinning rings
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
2026-10-30 17:56
CPC Classifications
D; D01; D01H; D01H7/00; D01H7/02; D01H7/52; D01H7/62; F; F16; F16N; F16N19/00; F16N19/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A SPINNING RING HOLDER HAVING AN OIL CUP FORMED THEREON, A COVER FOR SAID OIL CUP SECURED TO AND CLOSING SAID OIL CUP AND HAVING AN APERTURE THEREIN, AND A TRANSPARENT LUBRICANT LEVEL INDICATOR HAVING A PART WHICH FITS SNUGLY INTO SAID APERTURE, AND AN UPPER SHOULDERED PART FORMING A STOP TO CORRECTLY POSITION SAID INDICATOR IN SAID CUP, THE LOWER PART OF SAID INDICATOR BEING OF SUBSTANTIALLY PRISMATIC FORM WITH AN INCLINED FACE EXTENDING CROSSWISE OF THE SAME AT AN INCLINATION TO SAID COVER AND TERMINATING ADJACENT TO THE BOTTOM OF THE OIL CUP, SAID INCLINED FACE WHEN CONTACTED BY THE UPPER SURFACE OF LUBRICANT IN SAID OIL CUP INDICATING THE LEVEL OF LUBRICANT IN SAID OIL CUP, SAID PRISMATIC PARTS OF SAID INDICATOR BEING POSITIONED BELOW THE LOWER FACE OF SAID COVER TO GUARD AGAINST OVERFILLING THE OIL CUP AND SPACED FROM THE BOTTOM OF SAID OIL CUP TO LEAVE A SMALL QUANTITY OF OIL IN SAID CUP WHEN INDICATING EMPTY.
Claim 2
Dependent Claim
163 words
A SPINNING RING HOLDER HAVING AN OIL CUP FORMED THEREON, A COVER FOR SAID OIL CUP SECURED TO AND CLOSING SAID OIL CUP AND HAVING AN APERTURE THEREIN, AND A TRANSPARENT LUBRICANT LEVEL INDICATOR HAVING A PART WHICH FITS SNUGLY INTO SAID APERTURE, AND AN UPPER SHOULDERED PART FORMING A STOP TO CORRECTLY POSITION SAID INDICATOR IN SAID CUP, THE LOWER PART OF SAID INDICATOR BEING OF SUBSTANTIALLY PRISMATIC FORM WITH AN INCLINED FACE EXTENDING CROSSWISE OF THE SAME AT AN INCLINATION TO SAID COVER AND TERMINATING ADJACENT TO THE BOTTOM OF THE OIL CUP, SAID INCLINED FACE WHEN CONTACTED BY THE UPPER SURFACE OF LUBRICANT IN SAID OIL CUP INDICATING THE LEVEL OF LUBRICANT IN SAID OIL CUP, SAID PRISMATIC PARTS OF SAID INDICATOR BEING POSITIONED BELOW THE LOWER FACE OF SAID COVER TO GUARD AGAINST OVERFILLING THE OIL CUP AND SPACED FROM THE BOTTOM OF SAID OIL CUP TO LEAVE A SMALL QUANTITY OF OIL IN SAID CUP WHEN INDICATING EMPTY.
References Cited (Backward Citations)
US773154A
Cited
US954423A
Cited
US2301460A
Cited
US2328327A
Cited
US2282468A
Cited
US2594040A
Cited
US2554557A
Cited
US2637209A
Cited
US2905269A
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 |