Patent US2547562A successfully refreshed from Google Patents.
US2547562A
Expired / Lapsed
US
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Work-guiding attachment for sewing machines
Assignee: Singer Co
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Filing: 1948-11-12
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Granted: 1951-04-03
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Expires: 1968-11-12
Abstract
No abstract record available.
Inventors
- 👤 Fredric W Breul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:47
CPC Classifications
D; D05; D05B; D05B27/00; D05B27/02; D05B29/00; D05B29/06; D05D; D05D2303/00; D05D2303/02; D05D2305/00; D05D2305/02; D05D2305/04; D05D2305/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US22987A
Cited
US312306A
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US473178A
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US1506916A
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US1864502A
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US1893582A
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US2069855A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |