US2683337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper clamping device for sanding machines
Assignee: SPEEDWAY Manufacturing Co
•
Filing: 1951-12-27
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Granted: 1954-07-13
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Expires: 1971-12-27
Abstract
No abstract record available.
Inventors
- 👤 Steven E Scace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:28
CPC Classifications
B; B24; B24B; B24B23/00; B24B23/04; B24B23/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1320596A
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US734953A
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US824981A
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US1415171A
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US2242545A
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US2404486A
Cited
US2475476A
Cited
US2434581A
Cited
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 |