US3038672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulverizer classifier
Assignee: Strong-Scott Manufacturing Co
•
Filing: 1958-05-23
•
Granted: 1962-06-12
•
Expires: 1978-05-23
Abstract
No abstract record available.
Inventors
- 👤 Langsetmo Peder
- 👤 Rolf G Swanson
- 👤 Lincoln T Work
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:59
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US529874A
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US745075A
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US938923A
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US1260406A
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US1628295A
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US1840380A
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US1855171A
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US1971314A
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US2042042A
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US2939638A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-11 | 1965-12-11 | 1966-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-11 | 1969-12-11 | 1970-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-11 | 1973-12-11 | 1974-06-12 | $7700.00 | Window Closed / Lapsed |