Patent US3249671A successfully refreshed from Google Patents.
US3249671A
Expired / Lapsed
US
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Method of shrinking tubing
Assignee: Ericsson Inc
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Filing: 1963-05-31
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Granted: 1966-05-03
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Expires: 1983-05-31
Abstract
No abstract record available.
Inventors
- 👤 Rosario J Perrone
- 👤 Maurice V Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:58
CPC Classifications
B; B29; B29C; B29C61/00; B29C61/06; B29C61/08; B29C48/00; B29C48/03; B29C48/09; B29C48/25; B29C48/88; B29C48/90; B29C48/901; B29C48/902; B29C48/903; B29C48/91; B29C48/001; B29C48/0018; B29C48/0019; B29C48/05; B29C48/06; B29C48/10; B29C48/885; B29C48/911; B29C48/9115; B29C48/912
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
THE METHOD OF MANUFACTURING TUBING SHRINKABLE IN DIAMETER WHILE HOLDING ITS LENGTHWISE DIMENSION UNALTERED COMPRISING THE STEPS OF: (A) HEATING HEAT-SHRINKABLE TUBING TO A TEMPERATURE BELOW ITS SOFTENING POINT, (B) STRETCHING SAID HOT TUBING BOTH RADIALLY AND AXIALLY, (C) COOLING SAID TUBING WHILE IN ITS STRETCHED CONDITION, (D) HEATING SAID TUBING TO A TEMPERATURE SUFFICIENT TO CAUSE IT TO SHRINK AXIALLY (A) WHILE RESTRAINING IT FROM SHRINKING RADIALLY, AND
Claim 2
Independent Claim
69 words
THE METHOD OF MANUFACTURING TUBING SHRINKABLE IN DIAMETER WHILE HOLDING ITS LENGTHWISE DIMENSION UNALTERED COMPRISING THE STEPS OF: (A) HEATING HEAT-SHRINKABLE TUBING TO A TEMPERATURE BELOW ITS SOFTENING POINT, (B) STRETCHING SAID HOT TUBING BOTH RADIALLY AND AXIALLY, (C) COOLING SAID TUBING WHILE IN ITS STRETCHED CONDITION, (D) HEATING SAID TUBING TO A TEMPERATURE SUFFICIENT TO CAUSE IT TO SHRINK AXIALLY (A) WHILE RESTRAINING IT FROM SHRINKING RADIALLY, AND
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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |