US1926599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial leather manufacture
Assignee: Brown Co
•
Filing: 1929-01-18
•
Granted: 1933-09-12
•
Expires: 1949-01-18
Abstract
No abstract record available.
Inventors
- 👤 George A Richter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:43
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/24; C08J5/245; C08J2321/00; Y; Y10; Y10S; Y10S428/00; Y10S428/904; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31826; Y10T428/3183; Y10T428/31841; Y10T442/00; Y10T442/50; Y10T442/51; Y10T442/54
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) | 1936-09-11 | 1937-03-13 | 1937-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-09-11 | 1941-03-13 | 1941-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-09-11 | 1945-03-13 | 1945-09-12 | $7700.00 | Window Closed / Lapsed |