US2991365A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radioactivity information recording apparatus
Assignee: SUNVIC CONTROLS Ltd
•
Filing: 1957-05-31
•
Granted: 1961-07-04
•
Expires: 1977-05-31
Abstract
No abstract record available.
Inventors
- 👤 Weston John Leslie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:47
CPC Classifications
G; G21; G21C; G21C17/00; G21C17/02; G21C17/04; G01; G01T; G01T1/00; G21C17/044; G21C17/047; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
BE507259A
Cited
US2785314A
Cited
US2738925A
Cited
US2803405A
Cited
US2846142A
Cited
US2779875A
Cited
US2709754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |