US4174077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Core holder for reeling
Assignee: Paper Converting Machine Co
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Filing: 1978-07-03
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Granted: 1979-11-13
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Expires: 1998-07-03
Abstract
Abstract A core holder for reeling and method of making which includes a relatively elongated plastic tube and a plastic sleeve fixed on the tube with the sleeve having radially outwardly projecting therefrom a plurality of longitudinally extending ribs, the ribs being grindable to a predetermined radius.
Inventors
- 👤 Richard J. Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:26
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/18; B65H75/185; B65H16/00; B65H16/02; B65H16/06; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/417; B65H2301/4171; B65H2301/4173; B65H2301/41732
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
61 words
A core holder for reeling comprising a relatively elongated plastic tube having a radially extending flange adjacent to but spaced from one end of said tube, a plastic sleeve fixed on said tube adjacent the other end of said tube and terminating a spaced distance from said flange, said sleeve having radially outwardly projecting therefrom a plurality of longitudinally extending ribs.
Claim 2
Dependent Claim
61 words
A core holder for reeling comprising a relatively elongated plastic tube having a radially extending flange adjacent to but spaced from one end of said tube, a plastic sleeve fixed on said tube adjacent the other end of said tube and terminating a spaced distance from said flange, said sleeve having radially outwardly projecting therefrom a plurality of longitudinally extending ribs.
Claim 3
Dependent Claim
35 words
The structure of claim 1 in which said sleeve included an integral radially extending flange at one end thereof, said sleeve and tube flanges cooperating to define an annulus for receipt of a lifting hook.
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) | 1982-11-12 | 1983-05-14 | 1983-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-11-12 | 1987-05-14 | 1987-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-11-12 | 1991-05-14 | 1991-11-13 | $7700.00 | Window Closed / Lapsed |