US2661520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shrinkage method for knitted fabrics
Assignee: Proetor & Schwartz Inc
•
Filing: 1950-06-19
•
Granted: 1953-12-08
•
Expires: 1970-06-19
Abstract
No abstract record available.
Inventors
- 👤 Hamilton John
- 👤 Jr Arthur A Meder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:47
CPC Classifications
D; D06; D06C; D06C7/00; D06C7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US625169A
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US2310664A
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US2325544A
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US2409543A
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US2451206A
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US2450022A
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US2522663A
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US2588624A
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US2597530A
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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) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |