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Patent US2882623A successfully refreshed from Google Patents.
US2882623A
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Combined grading and rolling machines
Assignee: Individual
•
Filing: 1953-06-25
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Granted: 1959-04-21
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Expires: 1973-06-25
Abstract
No abstract record available.
Inventors
- 👤 Gardner Adryl Wade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:19
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/7636; E02F3/764; E01; E01C; E01C19/00; E01C19/22; E01C19/23; E01C19/27; E02F3/96; E02F3/967; E02F9/00; E02F9/20; E02F9/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB121530A
Cited
US1981821A
Cited
US1794696A
Cited
US2050282A
Cited
US2132059A
Cited
US2610557A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |