US837016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for detanning mineral or chrome tanned leather or leather-waste.
Assignee: Individual
•
Filing: 1903-10-21
•
Granted: 1906-11-27
•
Expires: 1923-10-21
Abstract
No abstract record available.
Inventors
- 👤 Albert Rudolf Weiss Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:00
CPC Classifications
C; C09; C09H; C09H3/00; Y; Y10; Y10S; Y10S530/00; Y10S530/827; Y10S530/842
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) | 1909-11-26 | 1910-05-28 | 1910-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-11-26 | 1914-05-28 | 1914-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-11-26 | 1918-05-28 | 1918-11-27 | $7700.00 | Window Closed / Lapsed |