US2662185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mass spectrometry
Assignee: Consolidated Engineering Co Inc
•
Filing: 1951-06-28
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Granted: 1953-12-08
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Expires: 1971-06-28
Abstract
No abstract record available.
Inventors
- 👤 Leland P Robinson
- 👤 Harold W Washburn
- 👤 Walter J Hirschberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:37
CPC Classifications
H; H01; H01J; H01J49/00; H01J49/02; H01J49/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2456426A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |