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US2715375A
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US
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Sewing machine attachments
Assignee: Singer Co
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Filing: 1954-01-26
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Granted: 1955-08-16
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Expires: 1974-01-26
Abstract
No abstract record available.
Inventors
- 👤 Edward P Spaine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:55
CPC Classifications
D; D05; D05B; D05B3/00; D05B3/24; D05D; D05D2303/00; D05D2303/20; D10; D10B; D10B2501/00; D10B2501/06; D10B2501/062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2573359A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-15 | 1959-02-14 | 1959-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-15 | 1963-02-14 | 1963-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-15 | 1967-02-14 | 1967-08-16 | $7700.00 | Window Closed / Lapsed |