US3052151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Devices for protection against ionizing radiation and contamination by harmful dusts, for apparatus for observing the interior of sealed chambers
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1958-11-04
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Granted: 1962-09-04
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Expires: 1978-11-04
Abstract
No abstract record available.
Inventors
- 👤 Clave Serge Rene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:14
CPC Classifications
G; G21; G21F; G21F7/00; G21F7/02; G02; G02B; G02B23/00; G02B23/24; G02B23/2476; G02B23/2492
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-03 | 1966-03-05 | 1966-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-03 | 1970-03-05 | 1970-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-03 | 1974-03-05 | 1974-09-04 | $7700.00 | Window Closed / Lapsed |