Patent US1753287A successfully refreshed from Google Patents.
Patent US5124371A successfully refreshed from Google Patents.
US2693103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic gas measuring instrument
Assignee: ABB Training Center GmbH and Co KG
•
Filing: 1951-07-17
•
Granted: 1954-11-02
•
Expires: 1971-07-17
Abstract
No abstract record available.
Inventors
- 👤 Krupp Helmar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:57
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/72; G01N27/74
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1957-11-01 | 1958-05-03 | 1958-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-01 | 1962-05-03 | 1962-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-01 | 1966-05-03 | 1966-11-02 | $7700.00 | Window Closed / Lapsed |