Patent US3710136A successfully refreshed from Google Patents.
Patent US3319902A successfully refreshed from Google Patents.
US3319902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expansible-contractable reel
Assignee: McKay Machine Co
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Filing: 1965-09-09
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Granted: 1967-05-16
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Expires: 1985-09-09
Abstract
No abstract record available.
Inventors
- 👤 William W Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:43
CPC Classifications
B; B21; B21C; B21C47/00; B21C47/28; B21C47/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
AN EXPANSIBLE-CONTRACTABLE REEL COMPRISING A ROTATABLY MOUNTED SHAFT HAVING A RADIALLY OUTWARDLY DIRECTED SURFACE INCLINED IN ONE AXIAL DIRECTION, MEANS SUPPORTED ON SAID SHAFT AND MOVABLE RADIALLY OUTWARDLY AND RADIALLY INWARDLY THEREOF TO RESPECTIVELY EXPAND AND CONTRACT SAID REEL, SAID MEANS HAVING A RADIALLY INWARDLY DIRECTED SURFACE INCLINED IN THE OPPOSITE AXIAL DIRECTION FROM SAID SHAFT SURFACE, AND A MEMBER INTERPOSED BETWEEN SAID MEANS AND SAID SHAFT AND IN ENGAGEMENT WITH RESPECTIVE INCLINED SURFACES AFORESAID, SAID MEMBER BEING MOVABLE AXIALLY OF SAID SHAFT TO EFFECT RADIAL MOVEMENT AFORESAID OF SAID MEANS.
Claim 2
Dependent Claim
91 words
AN EXPANSIBLE-CONTRACTABLE REEL COMPRISING A ROTATABLY MOUNTED SHAFT HAVING A RADIALLY OUTWARDLY DIRECTED SURFACE INCLINED IN ONE AXIAL DIRECTION, MEANS SUPPORTED ON SAID SHAFT AND MOVABLE RADIALLY OUTWARDLY AND RADIALLY INWARDLY THEREOF TO RESPECTIVELY EXPAND AND CONTRACT SAID REEL, SAID MEANS HAVING A RADIALLY INWARDLY DIRECTED SURFACE INCLINED IN THE OPPOSITE AXIAL DIRECTION FROM SAID SHAFT SURFACE, AND A MEMBER INTERPOSED BETWEEN SAID MEANS AND SAID SHAFT AND IN ENGAGEMENT WITH RESPECTIVE INCLINED SURFACES AFORESAID, SAID MEMBER BEING MOVABLE AXIALLY OF SAID SHAFT TO EFFECT RADIAL MOVEMENT AFORESAID OF SAID MEANS.
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) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |