Patent US3543077A successfully refreshed from Google Patents.
US3543077A
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US
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Glow discharge tube for spectral analysis
Assignee: RSV PRAZISIONSMESSGERATE GmbH
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Filing: 1968-06-07
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Granted: 1970-11-24
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Expires: 1988-06-07
Abstract
No abstract record available.
Inventors
- 👤 Werner Grimm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:33
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/38; H01J17/40; G; G01; G01N; G01N21/00; G01N21/62; G01N21/66; G01N21/67; H01J2893/00; H01J2893/0064
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1121077A
Cited
US2200909A
Cited
US2974256A
Cited
US3042833A
Cited
US3188180A
Cited
GB967047A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-23 | 1974-05-25 | 1974-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-23 | 1978-05-25 | 1978-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-23 | 1982-05-25 | 1982-11-24 | $7700.00 | Window Closed / Lapsed |