US2662473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removable logotype structure for calculating machines
Assignee: Victor Adding Machine Co
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Filing: 1951-09-20
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Granted: 1953-12-15
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Expires: 1971-09-20
Abstract
No abstract record available.
Inventors
- 👤 Erhard M Lippert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:44
CPC Classifications
B; B41; B41J; B41J1/00; B41J1/22; B41J1/32; B41J1/44; B41J1/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US625861A
Cited
US2357797A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |