US2608767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gauge for cone tipped tools
Assignee: Individual
•
Filing: 1946-03-06
•
Granted: 1952-09-02
•
Expires: 1966-03-06
Abstract
No abstract record available.
Inventors
- 👤 George E Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:52
CPC Classifications
B; B23; B23Q; B23Q17/00; B23Q17/09; B23Q17/0904; B23Q17/0919; B23Q17/0938
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1380945A
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US1423339A
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US1625766A
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US1625462A
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US2024020A
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GB451607A
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US2156500A
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US2123355A
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FR874781A
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US2353813A
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US2497199A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-02 | 1956-03-03 | 1956-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-02 | 1960-03-03 | 1960-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-02 | 1964-03-03 | 1964-09-02 | $7700.00 | Window Closed / Lapsed |