US2176933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Calculating and accounting machine
Assignee: AB Dick Co
•
Filing: 1933-03-30
•
Granted: 1939-10-24
•
Expires: 1953-03-30
Abstract
No abstract record available.
Inventors
- 👤 Smith Clyde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:26
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/40; G06Q; G06Q40/00; G06Q40/12
Claims Analysis
Total Claims: 0
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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) | 1942-10-23 | 1943-04-24 | 1943-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-10-23 | 1947-04-24 | 1947-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-10-23 | 1951-04-24 | 1951-10-24 | $7700.00 | Window Closed / Lapsed |