US2670639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Broken spark plug remover
Assignee: STANLEY BABINSKI
•
Filing: 1951-04-09
•
Granted: 1954-03-02
•
Expires: 1971-04-09
Abstract
No abstract record available.
Inventors
- 👤 Leon J Flowers
- 👤 William H Slagle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:36
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/14; B25B27/18; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49718; Y10T29/49721; Y10T29/49995; Y10T29/49996; Y10T29/53; Y10T29/53687; Y10T408/00; Y10T408/39; Y10T408/55; Y10T408/557; Y10T408/558; Y10T408/5583; Y10T408/5584
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US437796A
Cited
US1875484A
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US647133A
Cited
US706392A
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US715631A
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US861891A
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US1916414A
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US1798944A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-01 | 1957-08-31 | 1958-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-01 | 1961-08-31 | 1962-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-01 | 1965-08-31 | 1966-03-02 | $7700.00 | Window Closed / Lapsed |