Patent US3121256A successfully refreshed from Google Patents.
US3121256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming continuous plastic curls
Assignee: Individual
•
Filing: 1961-12-19
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Granted: 1964-02-18
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Expires: 1981-12-19
Abstract
No abstract record available.
Inventors
- 👤 Fieisher Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:41
CPC Classifications
D; D02; D02G; D02G1/00; B; B29; B29C; B29C53/00; B29C53/02; B29C53/12; Y; Y10; Y10S; Y10S264/00; Y10S264/40
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
87 words
APPARATUS FOR CONTINUOUSLY COILING FILAMENTARY MATERIAL COMPRISING THE COMBINATION OF A ROTARY SHAFT, A THREAD SERVING GUIDE CARRIED BY SAID SHAFT, AN OPEN ENDED SCREW CARRIED BY SAID SHAFT IN POSITION TO ENGAGE THE THREAD SERVED BY SAID GUIDE AND A STATIONARY ARBOR HAVING AN INNER ARM PROJECTING INTO THE OPEN END OF SAID SCREW AND AN OUTER ARM PROJECTING OVER THE OUTSIDE OF SAID SCREW, SAID OUTER ARM BEING CONNECTED WITH AND CARRIED BY A SLEEVE HAVING A ROTARY MOUNTING OVER THE END OF SAID SHAFT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-17 | 1967-08-19 | 1968-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-17 | 1971-08-19 | 1972-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-17 | 1975-08-19 | 1976-02-18 | $7700.00 | Window Closed / Lapsed |