Patent US2550894A successfully refreshed from Google Patents.
US2550894A
Expired / Lapsed
US
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Method for forming designs in knitted or woven fabrics of synthetic polyamide fibers
Assignee: Perforations Inc
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Filing: 1950-03-17
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Granted: 1951-05-01
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Expires: 1970-03-17
Abstract
No abstract record available.
Inventors
- 👤 Frank G Weisbecker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:52
CPC Classifications
D; D06; D06H; D06H1/00; D06H1/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
THE METHOD OF FORMING A DESIGN IN A STOCKING KNITTED FROM SYNTHETIC POLYAMIDE FIBERS THE STEPS COMPRISING: PLACING THE STOCKING ON A PREBOARDING FORM; STRETCHING PORTIONS OF OF THE THREADS TO ENLARGE THE NORMAL DISTANCE THEREBETWEEN AT SELECTED POINTS OF THE STOCKING BY INSERTING A POINTED ELEMENT THROUGH THE STOCKING BETWEEN THE THREADS AT SAID POINTS; AND SUBJECTING THE STOCKING TO PREBOARDING TREATMENT.
Claim 2
Independent Claim
63 words
THE METHOD OF FORMING A DESIGN IN A STOCKING KNITTED FROM SYNTHETIC POLYAMIDE FIBERS THE STEPS COMPRISING: PLACING THE STOCKING ON A PREBOARDING FORM; STRETCHING PORTIONS OF OF THE THREADS TO ENLARGE THE NORMAL DISTANCE THEREBETWEEN AT SELECTED POINTS OF THE STOCKING BY INSERTING A POINTED ELEMENT THROUGH THE STOCKING BETWEEN THE THREADS AT SAID POINTS; AND SUBJECTING THE STOCKING TO PREBOARDING TREATMENT.
References Cited (Backward Citations)
US2424124A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-30 | 1954-10-30 | 1955-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-30 | 1958-10-30 | 1959-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-30 | 1962-10-30 | 1963-05-01 | $7700.00 | Window Closed / Lapsed |