US2590958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dust collector
Assignee: Joy Manufacturing Co
•
Filing: 1950-01-19
•
Granted: 1952-04-01
•
Expires: 1970-01-19
Abstract
No abstract record available.
Inventors
- 👤 Goodrich Ross Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:10
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/0042; B23Q11/0046; E; E21; E21B; E21B21/00; E21B21/01; E21B21/015
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1003075A
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US1131052A
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US1850317A
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US1930099A
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GB417865A
Cited
US2041689A
Cited
US2145272A
Cited
US2201270A
Cited
US2107552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |