Patent US3276718A successfully refreshed from Google Patents.
US3276718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-rotating windup chuck
Assignee: Fiber Industries Inc
•
Filing: 1964-12-04
•
Granted: 1966-10-04
•
Expires: 1984-12-04
Abstract
No abstract record available.
Inventors
- 👤 Jack C Binford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:11
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/02; B65H54/40; B65H54/54; B65H54/543; B65H2402/00; B65H2402/50; B65H2402/52; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A NON-ROTATING WINDUP CHUCK COMPRISING AN ELONGATED CHUCK BODY HAVING EXPANSIBLE AND RETRACTABLE SIDES AND HAVING AT LEAST ONE OPENING IN ITS SURFACE, AND SAID ELONGATED CHUCK BODY ADAPTED TO RECEIVE AND MAINTAIN A TUBULAR PACKAGE CORE IN A SET POSITION RELATIVE TO SAID ELONGATED CHUCK BODY AND MEANS TO SUPPLY SAID OPENINGS IN SAID ELONGATED CHUCK BODY WITH GAS UNDER PRESSURE FOR PURPOSES OF CONTACTING THE INNER SURFACE OF A TUBULAR PACKAGE CORE WHEN PLACED OVER SAID ELONGATED CHUCH BODY IN A MANNER TO PROVIDE SUFFICIENT PRESSURE TO SEPARATE SAID TUBULAR PACKAGE CORE FROM THE ELONGATED CHUCK BODY AND PERMIT ROTATION OF SAID TUBULAR PACKAGE CORE ON A CUSHION OF GAS AROUND SAID ELONGATED BODY.
Claim 2
Dependent Claim
116 words
A NON-ROTATING WINDUP CHUCK COMPRISING AN ELONGATED CHUCK BODY HAVING EXPANSIBLE AND RETRACTABLE SIDES AND HAVING AT LEAST ONE OPENING IN ITS SURFACE, AND SAID ELONGATED CHUCK BODY ADAPTED TO RECEIVE AND MAINTAIN A TUBULAR PACKAGE CORE IN A SET POSITION RELATIVE TO SAID ELONGATED CHUCK BODY AND MEANS TO SUPPLY SAID OPENINGS IN SAID ELONGATED CHUCK BODY WITH GAS UNDER PRESSURE FOR PURPOSES OF CONTACTING THE INNER SURFACE OF A TUBULAR PACKAGE CORE WHEN PLACED OVER SAID ELONGATED CHUCH BODY IN A MANNER TO PROVIDE SUFFICIENT PRESSURE TO SEPARATE SAID TUBULAR PACKAGE CORE FROM THE ELONGATED CHUCK BODY AND PERMIT ROTATION OF SAID TUBULAR PACKAGE CORE ON A CUSHION OF GAS AROUND SAID ELONGATED BODY.
References Cited (Backward Citations)
US2947489A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |