US2767315A
Expired / Lapsed
US
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Assignee: Government of Netherlands
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Filing: 1951-12-10
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Granted: 1956-10-16
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Expires: 1971-12-10
Abstract
No abstract record available.
Inventors
- 👤 Kosten Leendert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:37
CPC Classifications
H; H04; H04M; H04M3/00; H04M3/22; H04M3/36; H04M3/362; G; G07; G07C; G07C15/00; G07C15/006; H03; H03K; H03K3/00; H03K3/84
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2404047A
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US2486106A
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US2403984A
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US2440261A
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US2607896A
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US2539014A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |