US3041916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Afocal optical device having a mounting providing protection against dangerous radiation
Assignee: Individual
•
Filing: 1960-03-11
•
Granted: 1962-07-03
•
Expires: 1980-03-11
Abstract
No abstract record available.
Inventors
- 👤 Clave Serge
- 👤 Clave Marcel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:49
CPC Classifications
G; G02; G02B; G02B23/00; G02B23/24; G02B23/2476; G02B23/2492; G21; G21F; G21F7/00; G21F7/02
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) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |