US2778780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire rope lubricant comprising a blown petroleum extract and a paraffinic residuum
Assignee: Texaco Inc
•
Filing: 1952-11-26
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Granted: 1957-01-22
•
Expires: 1972-11-26
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Romberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:22
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; D; D07; D07B; D07B1/00; D07B1/14; D07B1/141; D07B1/144; C10M2203/00; C10M2203/10; C10M2203/108; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/30; C10N2040/32; C10N2040/34; C10N2040/36; C10N2040/38; C10N2040/40; C10N2040/42; C10N2040/44; C10N2040/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A WIRE ROPE LUBRICANT CONSISTING ESSENTIALLY OF A BLEND OF ABOUT 30 TO 80 PERCENT BY VOLUME OF AN ASPHALTIC PRODUCT HAVING A SOFTENING POINT IN ABOUT THE RANGE 140-250*F. WITH ABOUT 70-20 PERCENT BY VOLUME OF A PARAFFIN BASE RESIDUUM HAVING A VISCOSITY IN THE LUBRICATING OIL RANGE, SAID ASPHALTIC PRODUCT BEING OBTAINED BY AIR BLOWING A PETROLEUM EXTRACT OBTAINED BY EXTRACTING A PARAFFIN BASE DISTILLATE OIL HAVING A VISCOSSITY IN THE LUBRICATING OIL RANGE WITH A SELECTIVE SOLVENT FOR NON-PARAFFINIC HYDROCARBONS, SAID BLEND HAVING A PENETRATING AT 77*F. IN ABOUT THE RANGE 90-120 AND A SOFTENING POINT IN ABOUT THE RANGE 130-145*F.
Claim 2
Dependent Claim
104 words
A WIRE ROPE LUBRICANT CONSISTING ESSENTIALLY OF A BLEND OF ABOUT 30 TO 80 PERCENT BY VOLUME OF AN ASPHALTIC PRODUCT HAVING A SOFTENING POINT IN ABOUT THE RANGE 140-250*F. WITH ABOUT 70-20 PERCENT BY VOLUME OF A PARAFFIN BASE RESIDUUM HAVING A VISCOSITY IN THE LUBRICATING OIL RANGE, SAID ASPHALTIC PRODUCT BEING OBTAINED BY AIR BLOWING A PETROLEUM EXTRACT OBTAINED BY EXTRACTING A PARAFFIN BASE DISTILLATE OIL HAVING A VISCOSSITY IN THE LUBRICATING OIL RANGE WITH A SELECTIVE SOLVENT FOR NON-PARAFFINIC HYDROCARBONS, SAID BLEND HAVING A PENETRATING AT 77*F. IN ABOUT THE RANGE 90-120 AND A SOFTENING POINT IN ABOUT THE RANGE 130-145*F.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |