US2629019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selector marking system
Assignee: Compagnie Industrielle des Telephones SA
•
Filing: 1949-04-28
•
Granted: 1953-02-17
•
Expires: 1969-04-28
Abstract
No abstract record available.
Inventors
- 👤 Lesigne Henri Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:34
CPC Classifications
H; H04; H04Q; H04Q3/00; H04Q3/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1559736A
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US1900969A
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US2030412A
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US2137422A
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US2138594A
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US2217084A
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US2431313A
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US2421919A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |