Patent US2536969A successfully refreshed from Google Patents.
US2536969A
Expired / Lapsed
US
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Protective plug gauge holder
Assignee: Individual
•
Filing: 1943-10-20
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Granted: 1951-01-02
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Expires: 1963-10-20
Abstract
No abstract record available.
Inventors
- 👤 Robert N Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:47
CPC Classifications
G; G01; G01B; G01B3/00; G01B3/46; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17411; Y10T279/17529
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US827346A
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US901063A
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US1063282A
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US1113201A
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US1626176A
Cited
US1852296A
Cited
US2000535A
Cited
US2173942A
Cited
US2375945A
Cited
US2345750A
Cited
US2345749A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-01 | 1954-07-03 | 1955-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-01 | 1958-07-03 | 1959-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-01 | 1962-07-03 | 1963-01-02 | $7700.00 | Window Closed / Lapsed |