Patent US2437847A successfully refreshed from Google Patents.
US2437847A
Expired / Lapsed
US
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Precision locating tool
Assignee: Individual
•
Filing: 1946-05-02
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Granted: 1948-03-16
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Expires: 1966-05-02
Abstract
No abstract record available.
Inventors
- 👤 Alfred A Zeise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:04
CPC Classifications
G; G01; G01B; G01B3/00; G01B3/002; B; B23; B23B; B23B49/00; B23B49/02; B23B49/023; Y; Y10; Y10T; Y10T408/00; Y10T408/96; Y10T408/97
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US41005A
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US1032933A
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US1191906A
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US1392734A
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US1477002A
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US1893973A
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US2367583A
Cited
US2341107A
Cited
US2341875A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-16 | 1951-09-15 | 1952-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-16 | 1955-09-15 | 1956-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-16 | 1959-09-15 | 1960-03-16 | $7700.00 | Window Closed / Lapsed |