Patent US2328304A successfully refreshed from Google Patents.
US2328304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Counter
Assignee: SOREN Corp
•
Filing: 1941-06-10
•
Granted: 1943-08-31
•
Expires: 1961-06-10
Abstract
No abstract record available.
Inventors
- 👤 Edward M Sorensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:23
CPC Classifications
G; G06; G06M; G06M7/00; G06M7/02; G06M7/04; B; B64; B64D; B64D1/00; B64D1/02; B64D1/04; G06M1/00; G06M1/08; G06M1/10; G06M1/102; G06M1/104; G06M3/00; G06M3/02; G06M3/021; G06M3/024
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) | 1946-08-30 | 1947-03-01 | 1947-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-08-30 | 1951-03-01 | 1951-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-08-30 | 1955-03-01 | 1955-08-31 | $7700.00 | Window Closed / Lapsed |