US957138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coffee-cleaning apparatus.
Assignee: EDGAR E SELLERS
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Filing: 1909-06-21
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Granted: 1910-05-03
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Expires: 1929-06-21
Abstract
No abstract record available.
Inventors
- 👤 William D Balcom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:20
CPC Classifications
B; B07; B07B; B07B4/00; B07B4/02; B07B4/025
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) | 1913-05-02 | 1913-11-01 | 1914-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-05-02 | 1917-11-01 | 1918-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-05-02 | 1921-11-01 | 1922-05-03 | $7700.00 | Window Closed / Lapsed |