US2231892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Animalizing textile product
Assignee: WALTHER H DUISBERG
•
Filing: 1939-07-13
•
Granted: 1941-02-18
•
Expires: 1959-07-13
Abstract
No abstract record available.
Inventors
- 👤 Esseimann Paul
- 👤 Bitterfeld Kreis
- 👤 Dusing Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:45
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/52; D06P1/5264; D06P1/5285; D06P1/64; D06P1/642; D06P1/649; D06P1/6492; D06P5/00; D06P5/22; D06P5/225; Y; Y10; Y10S; Y10S8/00; Y10S8/11; Y10T; Y10T442/00; Y10T442/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1944-02-18 | 1944-08-19 | 1945-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-02-18 | 1948-08-19 | 1949-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-02-18 | 1952-08-19 | 1953-02-18 | $7700.00 | Window Closed / Lapsed |