Patent US2195239A successfully refreshed from Google Patents.
US2195239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of artificial leather and parchment and products obtained thereby
Assignee: Individual
•
Filing: 1936-04-02
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Granted: 1940-03-26
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Expires: 1956-04-02
Abstract
No abstract record available.
Inventors
- 👤 Champsaur Lucien Marie Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:30
CPC Classifications
D; D21; D21H; D21H27/00; D21H27/06; D06; D06N; D06N3/00; D06N3/007; D06N3/0072; D21H5/00; D21H5/08; Y; Y10; Y10S; Y10S428/00; Y10S428/904; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1059; Y10T428/00; Y10T428/31504; Y10T428/31971; Y10T428/31975; Y10T428/31978; Y10T428/31982; Y10T428/31993
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) | 1943-03-26 | 1943-09-25 | 1944-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-03-26 | 1947-09-25 | 1948-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-03-26 | 1951-09-25 | 1952-03-26 | $7700.00 | Window Closed / Lapsed |