US2497679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable bushing for drill jigs
Assignee: Individual
•
Filing: 1945-08-25
•
Granted: 1950-02-14
•
Expires: 1965-08-25
Abstract
No abstract record available.
Inventors
- 👤 Richard E Maples
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:39
CPC Classifications
B; B23; B23B; B23B49/00; B23B49/02; B23B49/023; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/569
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE393965C
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GB139363A
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US1703549A
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US2058298A
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US2166692A
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GB508294A
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GB546926A
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US2349142A
Cited
US2381943A
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US2338530A
Cited
US2424485A
Cited
US2418234A
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 |