US2683336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubbing machine
Assignee: SPEEDWAY Manufacturing Co
•
Filing: 1951-05-24
•
Granted: 1954-07-13
•
Expires: 1971-05-24
Abstract
No abstract record available.
Inventors
- 👤 Steven E Scace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:15
CPC Classifications
B; B24; B24B; B24B23/00; B24B23/04; B24B23/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2302424A
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US2441506A
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US2447102A
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US2480508A
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US2639564A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-12 | 1958-01-11 | 1958-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-12 | 1962-01-11 | 1962-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-12 | 1966-01-11 | 1966-07-13 | $7700.00 | Window Closed / Lapsed |