Patent US2594286A successfully refreshed from Google Patents.
US2594286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grease and grease base
Assignee: Swan Finch Oil Corp
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Filing: 1948-07-08
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Granted: 1952-04-29
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Expires: 1968-07-08
Abstract
No abstract record available.
Inventors
- 👤 William C Bryant
- 👤 Jr Harold Frost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:03
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2203/00; C10M2203/10; C10M2203/108; C10M2215/00; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/28; C10N; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A GREASE COMPOSITION COMPRISING A PETROLEUM LUBRICANT AND A SUFFICIENT QUANTITY OF A GELATION AGENT TO CAUSE AT LEAST A PARTIAL GELATION THEREOF, SAID AGENT BEING SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
32 words
A GREASE COMPOSITION COMPRISING A PETROLEUM LUBRICANT AND A SUFFICIENT QUANTITY OF A GELATION AGENT TO CAUSE AT LEAST A PARTIAL GELATION THEREOF, SAID AGENT BEING SELECTED FROM THE GROUP CONSISTING OF
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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) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |