US2770206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sewing machine attachment
Assignee: Greist Manufacturing Co
•
Filing: 1949-06-09
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Granted: 1956-11-13
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Expires: 1969-06-09
Abstract
No abstract record available.
Inventors
- 👤 Carl G Baehr
- 👤 Connors John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:14
CPC Classifications
D; D05; D05B; D05B21/00; D05B21/002; D05D; D05D2303/00; D05D2303/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |