US2818655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic tool guide
Assignee: Individual
•
Filing: 1955-02-10
•
Granted: 1958-01-07
•
Expires: 1975-02-10
Abstract
No abstract record available.
Inventors
- 👤 Gaston Raoul Hugh De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:41
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/15; B23Q3/154; B23Q3/1543; Y; Y10; Y10S; Y10S33/00; Y10S33/01; Y10T; Y10T408/00; Y10T408/55; Y10T408/554; Y10T408/56; Y10T409/00; Y10T409/30; Y10T409/306664; Y10T82/00; Y10T82/25; Y10T82/2585
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE14551E
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CA487895A
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US710257A
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US1198227A
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US1436386A
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US1629143A
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DE424054C
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US1758959A
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US2213014A
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US2490648A
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GB672036A
Cited
US2607990A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-06 | 1961-07-08 | 1962-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-06 | 1965-07-08 | 1966-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-06 | 1969-07-08 | 1970-01-07 | $7700.00 | Window Closed / Lapsed |