US2591007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic accounting machine
Assignee: NCR Voyix Corp
•
Filing: 1949-12-17
•
Granted: 1952-04-01
•
Expires: 1969-12-17
Abstract
No abstract record available.
Inventors
- 👤 Carl F Rench
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:24
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/491; G06F7/498; G06F7/4981; G06F3/00; G06F3/01; G06F3/02; H; H03; H03K; H03K21/00; H03K21/08; H03K3/00; H03K3/78
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2281350A
Cited
US2404918A
Cited
US2403873A
Cited
US2402372A
Cited
US2398771A
Cited
US2461412A
Cited
US2416095A
Cited
US2521350A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |