US2324838A
Expired / Lapsed
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Assignee: Individual
•
Filing: 1938-01-05
•
Granted: 1943-07-20
•
Expires: 1958-01-05
Abstract
No abstract record available.
Inventors
- 👤 Harz Walter
- 👤 Neuss Kreis
- 👤 Rein Herbert
- 👤 Hubert Emil
- 👤 Kayser Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:24
CPC Classifications
B; B01; B01D; B01D39/00; B01D39/08; B01D39/083; B01D39/14; B01D39/16; B01D39/1607; B01D39/1623; B01D2239/00; B01D2239/06; B01D2239/065; Y; Y10; Y10S; Y10S264/00; Y10S264/75
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) | 1946-07-19 | 1947-01-18 | 1947-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-07-19 | 1951-01-18 | 1951-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-07-19 | 1955-01-18 | 1955-07-20 | $7700.00 | Window Closed / Lapsed |