US3117223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sample insertion vacuum lock for a mass spectrometer
Assignee: Atlas Werke AG
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Filing: 1961-06-09
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Granted: 1964-01-07
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Expires: 1981-06-09
Abstract
No abstract record available.
Inventors
- 👤 Brunnee Curt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:38
CPC Classifications
H; H01; H01J; H01J49/00; H01J49/02; H01J49/04; H01J49/0495
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
54 words
IN A MASS SPECTROMETER HAVING MEANS DEFINING A VACUUM AREA, THE IMPROVEMENT COMPRISING A VACUUM LOCK FOR CHANGING A SAMPLE TO BE ANALYZED IN SAID MASS SPECTROMETER, SAID LOCK COMPRISING, MEANS FOR REMOVING A FIRST SAMPLE CONTAINED IN SAID VACUUM AREA AND A SECOND MEANS FOR INSERTING A SECOND SAMPLE IN SAID VACUUM AREA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |