US2325993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Airplane carrier and seadrome
Assignee: UNIVERSAL HYDRAULIC STRESS EQU
•
Filing: 1941-07-02
•
Granted: 1943-08-03
•
Expires: 1961-07-02
Abstract
No abstract record available.
Inventors
- 👤 Carl M Zoll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:27
CPC Classifications
B; B63; B63B; B63B17/00; B63B35/00; B63B35/50; B63B35/53; B63G; B63G11/00; B63B2017/0072
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) | 1946-08-02 | 1947-02-01 | 1947-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-08-02 | 1951-02-01 | 1951-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-08-02 | 1955-02-01 | 1955-08-03 | $7700.00 | Window Closed / Lapsed |