Patent US2799351A successfully refreshed from Google Patents.
US2799351A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Junk trap
Assignee: Individual
•
Filing: 1953-06-19
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Granted: 1957-07-16
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Expires: 1973-06-19
Abstract
No abstract record available.
Inventors
- 👤 Dean W Osmun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:58
CPC Classifications
E; E21; E21B; E21B31/00; E21B31/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US257779A
Cited
US1647630A
Cited
US1979802A
Cited
US2253224A
Cited
US2342884A
Cited
US2672200A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-15 | 1961-01-14 | 1961-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-15 | 1965-01-14 | 1965-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-15 | 1969-01-14 | 1969-07-16 | $7700.00 | Window Closed / Lapsed |