US3326178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor deposition means to produce a radioactive source
Assignee: Individual
•
Filing: 1963-09-12
•
Granted: 1967-06-20
•
Expires: 1983-09-12
Abstract
No abstract record available.
Inventors
- 👤 Angelis Henry M De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:40
CPC Classifications
G; G21; G21G; G21G4/00; G21G4/04; G21G4/06; G04; G04B; G04B19/00; G04B19/30; G04B19/32; Y; Y10; Y10S; Y10S376/00; Y10S376/916
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |