Patent US2819874A successfully refreshed from Google Patents.
US2819874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheeled carrier mounted drum
Assignee: BERNARD ST JEAN
•
Filing: 1954-09-20
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Granted: 1958-01-14
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Expires: 1974-09-20
Abstract
No abstract record available.
Inventors
- 👤 Belec Simeon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:42
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/34; E02F3/348; E02F3/3486; B; B60; B60P; B60P1/00; B60P1/48; B60P1/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1301643A
Cited
US1565829A
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US1791979A
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US1858314A
Cited
US2016130A
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US2282731A
Cited
US2327473A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-13 | 1961-07-15 | 1962-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-13 | 1965-07-15 | 1966-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-13 | 1969-07-15 | 1970-01-14 | $7700.00 | Window Closed / Lapsed |