Patent US2834309A successfully refreshed from Google Patents.
US2834309A
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US
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Overedge sewing machine for making safety seam
Assignee: Willcox and Gibbs Sewing Machine Co
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Filing: 1954-08-05
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Granted: 1958-05-13
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Expires: 1974-08-05
Abstract
No abstract record available.
Inventors
- 👤 Harvey W Russell
- 👤 Wonnacott Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:10
CPC Classifications
D; D05; D05B; D05B1/00; D05B1/08; D05B1/18; D05B1/20; D05B29/00; D05B29/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1640201A
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US2426057A
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GB904854A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |