Patent US2616177A successfully refreshed from Google Patents.
US2616177A
Expired / Lapsed
US
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Apparatus and method of surveying elevations
Assignee: Individual
•
Filing: 1947-11-03
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Granted: 1952-11-04
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Expires: 1967-11-03
Abstract
No abstract record available.
Inventors
- 👤 Willis O Bazhaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:59
CPC Classifications
G; G01; G01C; G01C5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1625952A
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GB236111A
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US1653585A
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Cited
US2111516A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |