US2701096A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Calculating apparatus
Assignee: Individual
•
Filing: 1951-02-05
•
Granted: 1955-02-01
•
Expires: 1971-02-05
Abstract
No abstract record available.
Inventors
- 👤 Wattier Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:52
CPC Classifications
G; G06; G06G; G06G1/00; G06G1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US213234A
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US378257A
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US1768285A
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US1096507A
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US1042360A
Cited
US1290343A
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DE320190C
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US1672950A
Cited
US1559665A
Cited
US1598600A
Cited
US2436352A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-31 | 1958-08-02 | 1959-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-31 | 1962-08-02 | 1963-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-31 | 1966-08-02 | 1967-02-01 | $7700.00 | Window Closed / Lapsed |