Patent US3055262A successfully refreshed from Google Patents.
US3055262A
Expired / Lapsed
US
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Spectroscopic light source and method
Assignee: Plasmadyne Corp
•
Filing: 1959-02-24
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Granted: 1962-09-25
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Expires: 1979-02-24
Abstract
No abstract record available.
Inventors
- 👤 Adriano C Ducati
- 👤 Vernon H Blackman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:45
CPC Classifications
H; H01; H01J; H01J65/00; H01J65/04; H01J65/042; H01J65/046; G; G01; G01N; G01N21/00; G01N21/62; G01N21/66; G01N21/69
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1698691A
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US1871226A
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US2149414A
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US2544078A
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US2753479A
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US2817032A
Cited
US2800622A
Cited
US2883580A
Cited
US2939048A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |