US2501397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for preparing mercury dosing ampoules
Assignee: General Electric Co
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Filing: 1944-06-22
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Granted: 1950-03-21
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Expires: 1964-06-22
Abstract
No abstract record available.
Inventors
- 👤 Lopez Francisco Gonzalez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:27
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/38; H01J9/395; B; B65; B65B; B65B31/00; Y; Y10; Y10S; Y10S53/00; Y10S53/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1877726A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-20 | 1953-09-19 | 1954-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-20 | 1957-09-19 | 1958-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-20 | 1961-09-19 | 1962-03-21 | $7700.00 | Window Closed / Lapsed |