US2758564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for coating with dry dust
Assignee: Individual
•
Filing: 1951-05-15
•
Granted: 1956-08-14
•
Expires: 1971-05-15
Abstract
No abstract record available.
Inventors
- 👤 Ralph B Randall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:59
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/14; B05B7/1404; B05B7/1472; B05B7/1477; B05C; B05C19/00; B05C19/02; B41; B41F; B41F23/00; B41F23/04; B41F23/06; D; D06; D06C; D06C23/00; D06C2700/00; D06C2700/31; Y; Y10; Y10S; Y10S264/00; Y10S264/51
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1073149A
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GB110060A
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US1759983A
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US1659179A
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US1736969A
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GB331322A
Cited
US2419835A
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US2375766A
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US2509983A
Cited
US2614528A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-14 | 1960-02-13 | 1960-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-14 | 1964-02-13 | 1964-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-14 | 1968-02-13 | 1968-08-14 | $7700.00 | Window Closed / Lapsed |