US3050622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for connecting a getter-ion pump to an analytical mass spectrometer
Assignee: ConocoPhillips Co
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Filing: 1960-10-03
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Granted: 1962-08-21
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Expires: 1980-10-03
Abstract
No abstract record available.
Inventors
- 👤 Ernest W Boyer
- 👤 Harrell T Ford
- 👤 Ernest E Mckelvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:34
CPC Classifications
H; H01; H01J; H01J49/00; H01J49/02; H01J49/04; H01J49/0495; H01J41/00; H01J41/12; H01J49/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2769912A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |