US2665773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Line lubricator
Assignee: Individual
•
Filing: 1950-04-13
•
Granted: 1954-01-12
•
Expires: 1970-04-13
Abstract
No abstract record available.
Inventors
- 👤 Dean W Osmun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 12:22
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/02; E21B33/08; E21B17/00; E21B17/006; F; F16; F16N; F16N2210/00; F16N2210/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1471583A
Cited
GB190726778A
Cited
US1081443A
Cited
US1509906A
Cited
FR714911A
Cited
US1875936A
Cited
US2097016A
Cited
GB612180A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |