US2476189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lead gauge for screw threads
Assignee: Kearney and Trecker Corp
•
Filing: 1944-09-04
•
Granted: 1949-07-12
•
Expires: 1964-09-04
Abstract
No abstract record available.
Inventors
- 👤 Guetzkow Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:14
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/14; G01B5/16; G01B5/163
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1378287A
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US1339573A
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US1281805A
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US1442333A
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US1467146A
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US1504683A
Cited
US1656314A
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DE455195C
Cited
CH132354A
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US2233626A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |