US2746385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Type bars for calculating and bookkeeping machines
Assignee: Precisa AG Rechenmaschinenfabrik
•
Filing: 1952-05-20
•
Granted: 1956-05-22
•
Expires: 1972-05-20
Abstract
No abstract record available.
Inventors
- 👤 Muller Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:52
CPC Classifications
B; B41; B41J; B41J1/00; B41J1/08; B41J1/12; F; F16; F16B; F16B13/00; F16B13/12; F16B19/00; F16B19/04; F16B19/08; F16B19/10; F16B19/1027; F16B19/1036; F16B19/1045; F16B29/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1334758A
Cited
US1225655A
Cited
US1240256A
Cited
US1336840A
Cited
US1396215A
Cited
US1508532A
Cited
US1542223A
Cited
US2165922A
Cited
US2307669A
Cited
US2405562A
Cited
US2561646A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |