Patent US2550893A successfully refreshed from Google Patents.
US2550893A
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US
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Apparatus for forming designs in knitted or woven fabrics of synthetic polyamide fibe
Assignee: Perforations Inc
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Filing: 1947-11-29
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Granted: 1951-05-01
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Expires: 1967-11-29
Abstract
No abstract record available.
Inventors
- 👤 Frank G Weisbecker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:34
CPC Classifications
D; D06; D06H; D06H1/00; D06H1/003; Y; Y10; Y10S; Y10S264/00; Y10S264/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
APPARATUS FOR FORMING A DESIGN IN SYNTHETIC POLYAMIDE FIBER FACRIC COMPRISING: A FABRIC SUPPORTING PLATE HAVING A PLURALITY OF HOLES EXTENDING NORMALLY THERETHROUGH; A PLURALITY OF FABRIC PIERCING MEMBERS HAVING POINTED ENDS SUPPORTED FOR PROJECTION THROUGH SAID HOLES, THE FABRIC PIERCING PORTION OF SAID MEMBERS BEING CIRCULAR IN TRANSVERSE SECTION; MEANS FOR SELECTIVELY PROJECTING SAID MEMBERS THROUGH SAID HOLES TO PIERCE THE FABRIC SUPPORTED ON SAID PLATE AT SELECTED POINTS TO FORM A PREDETERMINED DESIGN; MEANS FOR ROTATING EACH OF SAID MEMBERS WHILE IT IS BEING PROJECTED TO PIERCE THE FABRIC; AND MEANS TO HEAT AND THEREBY SET THE FABRIC WHILE PIERCED BY SAID MEMBERS.
Claim 2
Dependent Claim
105 words
APPARATUS FOR FORMING A DESIGN IN SYNTHETIC POLYAMIDE FIBER FACRIC COMPRISING: A FABRIC SUPPORTING PLATE HAVING A PLURALITY OF HOLES EXTENDING NORMALLY THERETHROUGH; A PLURALITY OF FABRIC PIERCING MEMBERS HAVING POINTED ENDS SUPPORTED FOR PROJECTION THROUGH SAID HOLES, THE FABRIC PIERCING PORTION OF SAID MEMBERS BEING CIRCULAR IN TRANSVERSE SECTION; MEANS FOR SELECTIVELY PROJECTING SAID MEMBERS THROUGH SAID HOLES TO PIERCE THE FABRIC SUPPORTED ON SAID PLATE AT SELECTED POINTS TO FORM A PREDETERMINED DESIGN; MEANS FOR ROTATING EACH OF SAID MEMBERS WHILE IT IS BEING PROJECTED TO PIERCE THE FABRIC; AND MEANS TO HEAT AND THEREBY SET THE FABRIC WHILE PIERCED BY SAID MEMBERS.
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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) | 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 |