US2417563A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking device for accounting
Assignee: —
•
Filing: —
•
Granted: 1947-03-18
•
Expires: 1964-03-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:39
CPC Classifications
G; G06; G06C; G06C21/00; G06C21/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1624105A
Cited
US1992142A
Cited
US1993626A
Cited
US2274803A
Cited
US2087542A
Cited
US1988625A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-17 | 1950-09-16 | 1951-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-17 | 1954-09-16 | 1955-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-17 | 1958-09-16 | 1959-03-18 | $7700.00 | Window Closed / Lapsed |