US2628332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Measuring instrument
Assignee: Hays Corp
•
Filing: 1947-01-24
•
Granted: 1953-02-10
•
Expires: 1967-01-24
Abstract
No abstract record available.
Inventors
- 👤 Robert D Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:18
CPC Classifications
G; G01; G01R; G01R17/00; G01R17/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US583951A
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US1299965A
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US1586233A
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US2246686A
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US2326853A
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US2300742A
Cited
US2346437A
Cited
US2431790A
Cited
US2361790A
Cited
US2416579A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-10 | 1956-08-11 | 1957-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-10 | 1960-08-11 | 1961-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-10 | 1964-08-11 | 1965-02-10 | $7700.00 | Window Closed / Lapsed |