Patent US3375616A successfully refreshed from Google Patents.
US3375616A
Expired / Lapsed
US
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Dual motion surface-dressing machine
Assignee: Portable Electric Tools Inc
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Filing: 1965-01-11
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Granted: 1968-04-02
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Expires: 1985-01-11
Abstract
No abstract record available.
Inventors
- 👤 William H Scott
- 👤 Earl F Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:56
CPC Classifications
B; B24; B24B; B24B23/00; B24B23/04; B24B23/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2437152A
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US2707357A
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US2706875A
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US2721427A
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US2775076A
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US2817192A
Cited
US2885833A
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US2893177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |