Patent US2780193A successfully refreshed from Google Patents.
US2780193A
Expired / Lapsed
US
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Methods of producing piped garment openings
Assignee: Singer Co
•
Filing: 1953-12-03
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Granted: 1957-02-05
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Expires: 1973-12-03
Abstract
No abstract record available.
Inventors
- 👤 Darwin G Smith
- 👤 Stanley J Ketterer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:52
CPC Classifications
A; A41; A41H; A41H25/00; D; D05; D05B; D05B3/00; D05B3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1416801A
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US1640283A
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US1839854A
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US1945104A
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US2388516A
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US2573359A
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US2549294A
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US2676557A
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US2641388A
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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) | 1960-02-05 | 1960-08-06 | 1961-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-05 | 1964-08-06 | 1965-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-05 | 1968-08-06 | 1969-02-05 | $7700.00 | Window Closed / Lapsed |