Patent US2672111A successfully refreshed from Google Patents.
US2672111A
Expired / Lapsed
US
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Sewing machine guide
Assignee: Individual
•
Filing: 1950-09-22
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Granted: 1954-03-16
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Expires: 1970-09-22
Abstract
No abstract record available.
Inventors
- 👤 Widrow Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:01
CPC Classifications
D; D05; D05B; D05B35/00; D05B35/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US159090A
Cited
US1194943A
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US764180A
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US811201A
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US1262519A
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GB159090A
Cited
US1583934A
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US1518101A
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US2002676A
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US2085304A
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US2125459A
Cited
US2372493A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-15 | 1957-09-14 | 1958-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-15 | 1961-09-14 | 1962-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-15 | 1965-09-14 | 1966-03-16 | $7700.00 | Window Closed / Lapsed |