Patent US823672A successfully refreshed from Google Patents.
US823672A
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Machine for making grains or flakes of powder.
Assignee: DuPont Powder Coatings USA Inc
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Filing: 1905-06-29
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Granted: 1906-06-19
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Expires: 1925-06-29
Abstract
No abstract record available.
Inventors
- 👤 Charles Dobbs
- 👤 John R Pitman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:10
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/01; B26D1/12; B26D1/25; B26D1/26; B26D1/28; B26D1/29; Y; Y10; Y10T; Y10T83/00; Y10T83/485; Y10T83/494; Y10T83/501; Y10T83/647; Y10T83/6476; Y10T83/6478; Y10T83/6481; Y10T83/869; Y10T83/8789; Y10T83/8794
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) | 1909-06-18 | 1909-12-18 | 1910-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-06-18 | 1913-12-18 | 1914-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-06-18 | 1917-12-18 | 1918-06-19 | $7700.00 | Window Closed / Lapsed |