Patent US3294685A successfully refreshed from Google Patents.
US3294685A
Expired / Lapsed
US
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Organic compositions containing a metallo cyclopentadienyl
Assignee: Gulf Research and Development Co
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Filing: 1952-04-21
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Granted: 1966-12-27
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Expires: 1972-04-21
Abstract
No abstract record available.
Inventors
- 👤 Donald R Stevens
- 👤 Ronald L Sweet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:44
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/30; C10L1/305
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
44 words
A COMPOSITION OF MATTER COMPRISING AN ORGANIC COMPOSITION SELECTED FROM THE GROUP OF HYDROCARBONS CONSISTING OF LUBRICATING OILS, TURBINE OILS, TRANSFORMER OILS, FUEL OILS, GREASES, ASPHALTS, WAXES, WAX DISTILLATES AND INSECTICIDAL NAPHTHAS AND A MINOR AMOUNT RELATIVE TO SAID HYDROCARBON, OF A DICYCLOPENADIENYL IRON.
References Cited (Backward Citations)
US2134625A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |