Patent US2566321A successfully refreshed from Google Patents.
US2566321A
Expired / Lapsed
US
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Sealed measuring head for bore gauges
Assignee: Individual
•
Filing: 1949-02-03
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Granted: 1951-09-04
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Expires: 1969-02-03
Abstract
No abstract record available.
Inventors
- 👤 Eisele Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:03
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/08; G01B5/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1525511A
Cited
US1595368A
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US1619834A
Cited
US2174105A
Cited
US2229587A
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US2192900A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-03 | 1955-03-05 | 1955-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-03 | 1959-03-05 | 1959-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-03 | 1963-03-05 | 1963-09-04 | $7700.00 | Window Closed / Lapsed |