Patent US2454992A successfully refreshed from Google Patents.
Patent US3048934A successfully refreshed from Google Patents.
US3048934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor mounting for elevating scraper
Assignee: Individual
•
Filing: 1960-09-12
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Granted: 1962-08-14
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Expires: 1980-09-12
Abstract
No abstract record available.
Inventors
- 👤 James E Hancock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:48
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/64; E02F3/65; E02F3/654; E02F3/655; E02F3/6454; E02F3/6472
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US25325A
Cited
US1148954A
Cited
US1254802A
Cited
US1409744A
Cited
US2626039A
Cited
US2791041A
Cited
US2984022A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |