Patent US4555785A successfully refreshed from Google Patents.
US2866899A
Expired / Lapsed
US
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Electronic spectroanalysis computer
Assignee: TDK Micronas GmbH
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Filing: 1955-12-12
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Granted: 1958-12-30
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Expires: 1975-12-12
Abstract
No abstract record available.
Inventors
- 👤 Henri G Busignies
- 👤 Rogoff Mortimer
- 👤 Georges A Deschamps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:56
CPC Classifications
G; G01; G01J; G01J3/00; G01J3/28; G01J3/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-29 | 1962-06-30 | 1962-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-29 | 1966-06-30 | 1966-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-29 | 1970-06-30 | 1970-12-30 | $7700.00 | Window Closed / Lapsed |