Patent US821865A successfully refreshed from Google Patents.
US821865A
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US
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Machine for making comb-powder.
Assignee: DuPont Powder Coatings USA Inc
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Filing: —
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Granted: 1906-05-29
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Expires: 1923-05-29
Abstract
No abstract record available.
Inventors
- 👤 Charles Dobbs
- 👤 John R Pitman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:54
CPC Classifications
D; D06; D06N; D06N5/00; B; B31; B31B; B31B70/00; B31B70/14; B31B70/16; B31B2160/00; B31B2160/10; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4696; Y10T83/4699; Y10T83/4702; Y10T83/929; Y10T83/9372; Y10T83/9384
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1909-05-28 | 1909-11-27 | 1910-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-05-28 | 1913-11-27 | 1914-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-05-28 | 1917-11-27 | 1918-05-29 | $7700.00 | Window Closed / Lapsed |