Patent US2518147A successfully refreshed from Google Patents.
US2518147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric blanket sewing machine
Assignee: Simmons USA Corp
•
Filing: 1946-09-13
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Granted: 1950-08-08
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Expires: 1966-09-13
Abstract
No abstract record available.
Inventors
- 👤 Charles E Johnson
- 👤 Edward E Woller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:37
CPC Classifications
D; D05; D05B; D05B11/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US595090A
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US1320457A
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US1248236A
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US1506261A
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US1588132A
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US1653309A
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US1825597A
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US2059845A
Cited
US2136781A
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US2336404A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-07 | 1954-02-06 | 1954-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-07 | 1958-02-06 | 1958-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-07 | 1962-02-06 | 1962-08-08 | $7700.00 | Window Closed / Lapsed |