US2544461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saw attachment for drills
Assignee: FUTURE PRODUCTS
•
Filing: 1948-05-25
•
Granted: 1951-03-06
•
Expires: 1968-05-25
Abstract
No abstract record available.
Inventors
- 👤 Ammon M Leitzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:37
CPC Classifications
B; B23; B23D; B23D47/00; B23D47/12; B23D47/126; B23D57/00; B23D57/0076; B27; B27B; B27B9/00; B27B9/02; B27C; B27C9/00; B27C9/005; Y; Y10; Y10T; Y10T408/00; Y10T408/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1708345A
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US1102018A
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US1618341A
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US1850137A
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US1858459A
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US1808228A
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US1900553A
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US2346961A
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US2319973A
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US2342052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |