US3045901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Change-computing cash register with flag concealing mechanism
Assignee: RC Allen Business Machines Inc
•
Filing: 1958-09-02
•
Granted: 1962-07-24
•
Expires: 1978-09-02
Abstract
No abstract record available.
Inventors
- 👤 Ralph C Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:36
CPC Classifications
G; G07; G07F; G07F5/00; G07F5/24; G07G; G07G1/00; G07G1/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2950047A
Cited
US869982A
Cited
US998602A
Cited
US1279053A
Cited
US1592468A
Cited
US2853232A
Cited
US2858067A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |