US2958819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for adjusting magnetometers
Assignee: AT&T Inc
•
Filing: 1952-03-25
•
Granted: 1960-11-01
•
Expires: 1972-03-25
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Bregar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:25
CPC Classifications
G; G01; G01R; G01R33/00; G01R33/02; G01R33/025
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US780374A
Cited
US2076230A
Cited
US2388664A
Cited
US2485931A
Cited
US2491736A
Cited
US2524360A
Cited
US2504778A
Cited
US2590821A
Cited
US2606960A
Cited
US2641635A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |