US2769445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil mist lubricator for suction devices
Assignee: EDWARD J HAMBACK
•
Filing: 1953-12-14
•
Granted: 1956-11-06
•
Expires: 1973-12-14
Abstract
No abstract record available.
Inventors
- 👤 Jr Gaetano A Morgavi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:42
CPC Classifications
F; F16; F16N; F16N7/00; F16N7/30; F16N7/32; F16N7/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US656409A
Cited
US1889137A
Cited
US1896421A
Cited
US1983066A
Cited
US2272926A
Cited
US2280992A
Cited
US2367721A
Cited
US2459398A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-06 | 1960-05-07 | 1960-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-06 | 1964-05-07 | 1964-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-06 | 1968-05-07 | 1968-11-06 | $7700.00 | Window Closed / Lapsed |