Patent US2670542A successfully refreshed from Google Patents.
US2670542A
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US
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Adjustable height gauge
Assignee: Individual
•
Filing: 1951-10-19
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Granted: 1954-03-02
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Expires: 1971-10-19
Abstract
No abstract record available.
Inventors
- 👤 Donald D Hull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:08
CPC Classifications
G; G01; G01B; G01B3/00; G01B3/002; G01B3/004; G01B5/00; G01B5/02; G01B5/06; G01B5/061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1103265A
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US1265431A
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CH77125A
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US2028052A
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US2306227A
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US2353911A
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US2412870A
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US2346063A
Cited
US2468995A
Cited
US2519942A
Cited
US2465530A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-01 | 1957-08-31 | 1958-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-01 | 1961-08-31 | 1962-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-01 | 1965-08-31 | 1966-03-02 | $7700.00 | Window Closed / Lapsed |