US2063743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter element
Assignee: Motors Liquidation Co
•
Filing: 1932-07-05
•
Granted: 1936-12-08
•
Expires: 1952-07-05
Abstract
No abstract record available.
Inventors
- 👤 Herbert G Kamrath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:51
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/0039; B01D46/0041; B01D46/0043; B01D46/24; B01D2275/00; B01D2275/10; B01D2275/105; B01D2275/20; B01D2275/206; Y; Y10; Y10S; Y10S55/00; Y10S55/21
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) | 1939-12-08 | 1940-06-08 | 1940-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-12-08 | 1944-06-08 | 1944-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-12-08 | 1948-06-08 | 1948-12-08 | $7700.00 | Window Closed / Lapsed |