US2632883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetometer system
Assignee: Individual
•
Filing: 1944-07-07
•
Granted: 1953-03-24
•
Expires: 1964-07-07
Abstract
No abstract record available.
Inventors
- 👤 Max S Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:26
CPC Classifications
G; G01; G01R; G01R33/00; G01R33/02; G01R33/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2027393A
Cited
US2082646A
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US2053154A
Cited
US2252059A
Cited
US2149092A
Cited
US2374166A
Cited
CH227370A
Cited
US2560132A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |