Patent US2511367A successfully refreshed from Google Patents.
US2511367A
Expired / Lapsed
US
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Button sewing machine
Assignee: Lewis Invisible Stitch Machine Co
•
Filing: 1942-12-10
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Granted: 1950-06-13
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Expires: 1962-12-10
Abstract
No abstract record available.
Inventors
- 👤 Nelson George William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:07
CPC Classifications
D; D05; D05B; D05B3/00; D05B3/12; D05B3/14; D05B65/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1542865A
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US1519652A
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USRE21016E
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US2300585A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-12 | 1953-12-12 | 1954-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-12 | 1957-12-12 | 1958-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-12 | 1961-12-12 | 1962-06-13 | $7700.00 | Window Closed / Lapsed |