Patent US2548144A successfully refreshed from Google Patents.
US2548144A
Expired / Lapsed
US
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Sewing machine attachment
Assignee: PILGRIM CURTAIN CO Inc
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Filing: 1948-11-10
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Granted: 1951-04-10
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Expires: 1968-11-10
Abstract
No abstract record available.
Inventors
- 👤 Cohen Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:22
CPC Classifications
D; D05; D05B; D05B35/00; D05B35/06; D05B35/062; D05B35/08; D05B29/00; D05B29/06; D05D; D05D2303/00; D05D2303/02; D05D2305/00; D05D2305/02; D05D2305/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US279257A
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US1800409A
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US1966519A
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US1985106A
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US2086013A
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US2162591A
Cited
US2277720A
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US2277722A
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US2352660A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-09 | 1954-10-09 | 1955-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-09 | 1958-10-09 | 1959-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-09 | 1962-10-09 | 1963-04-10 | $7700.00 | Window Closed / Lapsed |