US3284022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible reels
Assignee: Individual
•
Filing: 1963-11-26
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Granted: 1966-11-08
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Expires: 1983-11-26
Abstract
No abstract record available.
Inventors
- 👤 Stephen L Eifrid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:55
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/18; B65H75/22; B65H75/2209; B65H75/2218; B65H75/2245; B65H75/2254; B65H75/229; B65H75/24; B65H2701/00; B65H2701/50; B65H2701/51; B65H2701/511; B65H2701/5112
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
REAL HAVING A TUBULAR CORE AND ANNULAR RING SHAPED FLANGES EXTENDING RADIALLY AND OUTWARDLY FROM EACH END OF THE CORE, THE CORE BEING FORMED FROM FINGERS OF LONGER AND SHORTER LENGTHS EXTENDING FROM THE INNER PERIPHERIES OF THE ANNULAR RINGS, THE LONGER FINGERS OF EACH RING BEING CONNECTED TO THE SHORTER FINGERS OF THE OTHER RING IN AN OVERLAPPING MANNER AND THE SHORTER FINGERS EXTENDING LESS THAN ONE-HALF THE DISTANCE BETWEEN THE FLANGES, AND ALL OF SAID FINGERS BEING FOLDABLE ALONG LINES OF CONNECTION OF THE FINGERS WITH THEIR RESPECTIVE FLANGES AND THE LONGER FINGERS HAVING FOLD LINES IN A MEDIAN PLANE BETWEEN THE FLANGES TO ALLOW WITH FLANGES TO BE MOVED TOGETHER AS THE FINGERS OF BOTH LENGTHS BEND ALONG SAID LINES OF CONNECTION.
Claim 2
Dependent Claim
125 words
REAL HAVING A TUBULAR CORE AND ANNULAR RING SHAPED FLANGES EXTENDING RADIALLY AND OUTWARDLY FROM EACH END OF THE CORE, THE CORE BEING FORMED FROM FINGERS OF LONGER AND SHORTER LENGTHS EXTENDING FROM THE INNER PERIPHERIES OF THE ANNULAR RINGS, THE LONGER FINGERS OF EACH RING BEING CONNECTED TO THE SHORTER FINGERS OF THE OTHER RING IN AN OVERLAPPING MANNER AND THE SHORTER FINGERS EXTENDING LESS THAN ONE-HALF THE DISTANCE BETWEEN THE FLANGES, AND ALL OF SAID FINGERS BEING FOLDABLE ALONG LINES OF CONNECTION OF THE FINGERS WITH THEIR RESPECTIVE FLANGES AND THE LONGER FINGERS HAVING FOLD LINES IN A MEDIAN PLANE BETWEEN THE FLANGES TO ALLOW WITH FLANGES TO BE MOVED TOGETHER AS THE FINGERS OF BOTH LENGTHS BEND ALONG SAID LINES OF CONNECTION.
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |