US3251179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material twisting apparatus
Assignee: AT&T Inc
•
Filing: 1963-12-26
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Granted: 1966-05-17
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Expires: 1983-12-26
Abstract
No abstract record available.
Inventors
- 👤 Lester O Reichelt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:19
CPC Classifications
D; D07; D07B; D07B3/00; D07B3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A DEVICE FOR TWISTING MATERIAL OF INDEFINITE LENGTH MOVING ALONG A PREDETERMINED AXIS WHICH COMPRISES: A TWISTING HEAD MOUNTED FOR ROTATION ABOUT SAID AXIS; AN ENDLESS BELT MOUNTED ON SAID TWISTING HEAD FOR ACTUATION THEREBY AND FOR MOVEMENT THEREON ALONG A PREDETERMINED PATH AND HAVING A PORTION THEREOF WOUND
Claim 2
Independent Claim
49 words
A DEVICE FOR TWISTING MATERIAL OF INDEFINITE LENGTH MOVING ALONG A PREDETERMINED AXIS WHICH COMPRISES: A TWISTING HEAD MOUNTED FOR ROTATION ABOUT SAID AXIS; AN ENDLESS BELT MOUNTED ON SAID TWISTING HEAD FOR ACTUATION THEREBY AND FOR MOVEMENT THEREON ALONG A PREDETERMINED PATH AND HAVING A PORTION THEREOF WOUND
References Cited (Backward Citations)
US2908133A
Cited
US3090189A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |