Patent US1621706A successfully refreshed from Google Patents.
US2497733A
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US
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Precision layout gauge for drill guides
Assignee: Individual
•
Filing: 1948-04-17
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Granted: 1950-02-14
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Expires: 1968-04-17
Abstract
No abstract record available.
Inventors
- 👤 Joseph N Kebour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:01
CPC Classifications
B; B23; B23B; B23B47/00; B23B47/28; B23B47/287; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/563; Y10T408/5638; Y10T408/567
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US581811A
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US809069A
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US1161479A
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US1210942A
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US1269811A
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US1861289A
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US2240230A
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US2268930A
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US2367582A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |