US2865469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air line oilers
Assignee: Individual
•
Filing: 1955-05-13
•
Granted: 1958-12-23
•
Expires: 1975-05-13
Abstract
No abstract record available.
Inventors
- 👤 Frank J Lyden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:17
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)
DE517638C
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FR466172A
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US1336984A
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US1438926A
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US2229176A
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US2656899A
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US2680496A
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US2767807A
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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) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |