US3036745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for inducing the flow of pulverized material
Assignee: Individual
•
Filing: 1960-03-30
•
Granted: 1962-05-29
•
Expires: 1980-03-30
Abstract
No abstract record available.
Inventors
- 👤 Walter E Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:25
CPC Classifications
B; B65; B65B; B65B39/00; B65B39/04; B65G; B65G65/00; B65G65/30; B65G65/34; B65G65/40; B65G65/48; B65G65/4809; B65G65/4836; G; G01; G01F; G01F13/00; G01F13/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US555896A
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US2601534A
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US735281A
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US1154433A
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US1233791A
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US1457230A
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DE855677C
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US2626210A
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US2674396A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |