US3015731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation indicating device
Assignee: US Philips Corp
•
Filing: 1955-07-29
•
Granted: 1962-01-02
•
Expires: 1975-07-29
Abstract
No abstract record available.
Inventors
- 👤 Johannes Gerrit Van Santen
- 👤 Diemer Gesinus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:34
CPC Classifications
H; H10; H10F; H10F55/00; H10F55/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2071471A
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US2239887A
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US2225044A
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US2470173A
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FR1002056A
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US2555545A
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US2642538A
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US2717971A
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DE879325C
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US2650310A
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US2742438A
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US2792447A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |