US3326489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual reel spindle
Assignee: De Jur AMSCO Corp
•
Filing: 1966-01-07
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Granted: 1967-06-20
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Expires: 1986-01-07
Abstract
No abstract record available.
Inventors
- 👤 Lew W Lessler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:14
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/321
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A DUAL REEL SPINDLE FOR RECEIVING REELS HAVING EITHER OF TWO HOLE DIAMETERS, SAID SPINDLE COMPRISING A MAIN SHAFT OF SMALL DIAMETER, A RETAINER MEANS AT ITS FREE END TO HOLD A REEL ON THE SPINDLE, A BUSHING OF LARGER DIAMETER SLIDABLE ON SAID SHAFT, A SPRING MOUNTED ON SAID SPINDLE AND URGING SAID BUSHING TOWARD THE RETAINER MEANS BUT AFFORDING RETRACTION OF THE BUSHING WHEN PUSHED INWARD BY A REEL HAVING A SMALL DIAMETER HOLE, AND MEANS TO KEY THE REEL TO THE SPINDLE FOR ROTATION THEREWITH.
Claim 2
Dependent Claim
88 words
A DUAL REEL SPINDLE FOR RECEIVING REELS HAVING EITHER OF TWO HOLE DIAMETERS, SAID SPINDLE COMPRISING A MAIN SHAFT OF SMALL DIAMETER, A RETAINER MEANS AT ITS FREE END TO HOLD A REEL ON THE SPINDLE, A BUSHING OF LARGER DIAMETER SLIDABLE ON SAID SHAFT, A SPRING MOUNTED ON SAID SPINDLE AND URGING SAID BUSHING TOWARD THE RETAINER MEANS BUT AFFORDING RETRACTION OF THE BUSHING WHEN PUSHED INWARD BY A REEL HAVING A SMALL DIAMETER HOLE, AND MEANS TO KEY THE REEL TO THE SPINDLE FOR ROTATION THEREWITH.
References Cited (Backward Citations)
US3253796A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |