US3350307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating greases
Assignee: Murex Welding Processes Ltd
•
Filing: 1965-05-03
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Granted: 1967-10-31
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Expires: 1985-05-03
Abstract
No abstract record available.
Inventors
- 👤 Brown Alexander
- 👤 Wellard Harold John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:56
CPC Classifications
C; C10; C10M; C10M7/00; C10M2201/00; C10M2201/02; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/06; C10M2201/065; C10M2201/066; C10M2201/10; C10M2201/102; C10M2201/103; C10M2217/00; C10M2217/04; C10M2217/044; C10M2217/045; C10N; C10N2050/00; C10N2050/08; C10N2050/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
28 words
A LUBRICATING GREASE, CONSISTING ESSENTIALLY OF AN AQUEOUS SOLUTION OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF SODIM SILICATE AND POTASSIUM SILICATE THICKENED WITH A WATER-THICKENING AGENT.
Claim 2
Dependent Claim
28 words
A LUBRICATING GREASE, CONSISTING ESSENTIALLY OF AN AQUEOUS SOLUTION OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF SODIM SILICATE AND POTASSIUM SILICATE THICKENED WITH A WATER-THICKENING AGENT.
Claim 3
Dependent Claim
18 words
A GREASE AS CLAMED IN CALIM 1, WHICH CONTAINS AS AN ANTI-FRICTION ADDITIVE 0.25-30% BY WEIGHT OF GRAPHITE.
Claim 4
Dependent Claim
18 words
A GREASE AS CLAMED IN CALIM 1, WHICH CONTAINS AS AN ANTI-FRICTION ADDITIVE 0.25-30% BY WEIGHT OF GRAPHITE.
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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |