US977956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separator for lump material.
Assignee: Individual
•
Filing: 1902-03-15
•
Granted: 1910-12-06
•
Expires: 1922-03-15
Abstract
No abstract record available.
Inventors
- 👤 Arthur Langerfeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:32
CPC Classifications
B; B07; B07B; B07B13/00; B07B13/003; Y; Y10; Y10S; Y10S209/00; Y10S209/911
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) | 1913-12-05 | 1914-06-06 | 1914-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-12-05 | 1918-06-06 | 1918-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-12-05 | 1922-06-06 | 1922-12-06 | $7700.00 | Window Closed / Lapsed |