US2842173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Routers with detachable motors and switch handles
Assignee: Singer Co
•
Filing: 1956-06-27
•
Granted: 1958-07-08
•
Expires: 1976-06-27
Abstract
No abstract record available.
Inventors
- 👤 Edgar P Turner
- 👤 Happe Reynold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:23
CPC Classifications
B; B27; B27C; B27C5/00; B27C5/10; B23; B23Q; B23Q5/00; B23Q5/02; B23Q5/04; B23Q5/10; B23Q5/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1532683A
Cited
US1745780A
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US1899883A
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US2562143A
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US2702569A
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US2756785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |