US3265092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fep-fluorocarbon tubing
Assignee: PENNSYLVANIA FLUOROCARBON COMP
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Filing: 1965-04-13
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Granted: 1966-08-09
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Expires: 1985-04-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Berten E Ely
- 👤 John W Burley
- 👤 Ira T Clement
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:44
CPC Classifications
B; B29; B29C; B29C61/00; B29C61/06; B29C61/08; B29C48/00; B29C48/022; B29C61/003; C; C08; C08L; C08L27/00; C08L27/02; C08L27/12; C08L27/18; C08L27/20; F; F16; F16L; F16L11/00; F16L11/04; F16L11/06; F16L11/12; F16L9/00; F16L9/12; F16L9/127; B29C48/001; B29C48/0018; B29C48/0019; B29C48/03; B29C48/09; B29C48/10; B29K; B29K2027/00; B29K2027/12; B29K2027/18; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/1328; Y10T428/1331; Y10T428/31504; Y10T428/3154
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
HEAT SHRINKABLE TUBING OF A COPOLYMER OF TETRAFLUOROETHYLENE AND 5 TO 35% BY WEIGHT OF HEXAFLUOROPROPYLENE, WHOSE RATIO OF EXPANDED DIAMETER TO RECOVERED DIAMETER VARIES FROM 1.21 TO 2.0 AND RETAINING THE PROPERTY OF HEAT SEALABILITY.
Claim 2
Dependent Claim
36 words
HEAT SHRINKABLE TUBING OF A COPOLYMER OF TETRAFLUOROETHYLENE AND 5 TO 35% BY WEIGHT OF HEXAFLUOROPROPYLENE, WHOSE RATIO OF EXPANDED DIAMETER TO RECOVERED DIAMETER VARIES FROM 1.21 TO 2.0 AND RETAINING THE PROPERTY OF HEAT SEALABILITY.
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) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |