Patent US3072574A successfully refreshed from Google Patents.
US3072574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas lubricant compositions
Assignee: Individual
•
Filing: 1960-10-27
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Granted: 1963-01-08
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Expires: 1980-10-27
Abstract
No abstract record available.
Inventors
- 👤 Donald H Buckley
- 👤 Robert L Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:29
CPC Classifications
C; C10; C10M; C10M171/00; C10M171/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
A GASEOUS LUBRICANT COMPOSITION CONSISTING ESSENTIALLY OF FROM 40 TO 60 PERCENT CF2BR2 AND FROM 40 TO 60PERCENT CF3BR.
Claim 2
Dependent Claim
19 words
A GASEOUS LUBRICANT COMPOSITION CONSISTING ESSENTIALLY OF FROM 40 TO 60 PERCENT CF2BR2 AND FROM 40 TO 60PERCENT CF3BR.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |