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US2567653A
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US
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Pendulum inclinometer
Assignee: Individual
•
Filing: 1948-01-29
•
Granted: 1951-09-11
•
Expires: 1968-01-29
Abstract
No abstract record available.
Inventors
- 👤 Ruhland Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:53
CPC Classifications
G; G01; G01C; G01C9/00; G01C9/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US567347A
Cited
US1308795A
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US834765A
Cited
US937633A
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US1175307A
Cited
US1346547A
Cited
US1691632A
Cited
US2183765A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-10 | 1955-03-12 | 1955-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-10 | 1959-03-12 | 1959-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-10 | 1963-03-12 | 1963-09-11 | $7700.00 | Window Closed / Lapsed |