Patent US2604449A successfully refreshed from Google Patents.
US2604449A
Expired / Lapsed
US
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Greases and compounds for making same and other compositions
Assignee: Swan Finch Oil Corp
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Filing: 1949-03-08
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Granted: 1952-07-22
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Expires: 1969-03-08
Abstract
No abstract record available.
Inventors
- 👤 William C Bryant
- 👤 Giordano Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:13
CPC Classifications
C; C10; C10M; C10M5/00; C10M2205/00; C10M2205/14; C10M2205/16; C10M2205/17; C10M2215/00; C10M2215/12; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2030/00; C10N2030/12; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
AS A NEW COMPOSITION, A MIXTURE CONTAINING A SUBSTANTIAL PROPORTION OF A GELATION AGENT AND A PETROLEUM LUBRICANT, SAID GELATION AGENT BEING SELECTED FROM THE GROUP CONSISTING OF THE ALKALI METAL SALT OF AN AMIC ACID HAVING THE FORMULA
Claim 2
Dependent Claim
39 words
AS A NEW COMPOSITION, A MIXTURE CONTAINING A SUBSTANTIAL PROPORTION OF A GELATION AGENT AND A PETROLEUM LUBRICANT, SAID GELATION AGENT BEING SELECTED FROM THE GROUP CONSISTING OF THE ALKALI METAL SALT OF AN AMIC ACID HAVING THE FORMULA
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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) | 1955-07-22 | 1956-01-21 | 1956-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-22 | 1960-01-21 | 1960-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-22 | 1964-01-21 | 1964-07-22 | $7700.00 | Window Closed / Lapsed |