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Patent US2544587A successfully refreshed from Google Patents.
US2544587A
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Component resolver for mapping apparatus
Assignee: NORTH AMERICAN GEOPHYSICAL Co
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Filing: 1948-03-05
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Granted: 1951-03-06
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Expires: 1968-03-05
Abstract
No abstract record available.
Inventors
- 👤 Raymond T Cloud
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:08
CPC Classifications
G; G01; G01C; G01C17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US572832A
Cited
US1069842A
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GB188527A
Cited
US1701582A
Cited
US1963457A
Cited
US1854391A
Cited
US1953894A
Cited
US2412468A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |