US2397790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Invalid chair
Assignee: Individual
•
Filing: 1941-08-21
•
Granted: 1946-04-02
•
Expires: 1961-08-21
Abstract
No abstract record available.
Inventors
- 👤 Kapusta Adam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:30
CPC Classifications
A; A61; A61G; A61G5/00; A61G5/02; A61G5/021; A61G5/023; A61G5/024; A61G5/025; A61G5/10; A61G5/1051; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1553; Y10T74/1555; Y10T74/1556
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) | 1949-04-01 | 1949-10-01 | 1950-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-04-01 | 1953-10-01 | 1954-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-04-01 | 1957-10-01 | 1958-04-02 | $7700.00 | Window Closed / Lapsed |