US2348022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual control
Assignee: Individual
•
Filing: 1942-07-14
•
Granted: 1944-05-02
•
Expires: 1962-07-14
Abstract
No abstract record available.
Inventors
- 👤 Charles J Owens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:44
CPC Classifications
B; B63; B63H; B63H21/00; B63H21/21; B63H21/213; Y; Y10; Y10S; Y10S74/00; Y10S74/08; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18088; Y10T74/18096; Y10T74/20; Y10T74/20207; Y10T74/20213; Y10T74/20232; Y10T74/20396; Y10T74/20576; Y10T74/20582; Y10T74/2063
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) | 1947-05-02 | 1947-11-01 | 1948-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-05-02 | 1951-11-01 | 1952-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-05-02 | 1955-11-01 | 1956-05-02 | $7700.00 | Window Closed / Lapsed |