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US3265092A Expired / Lapsed US ⏱️ 0.0 years remaining

Fep-fluorocarbon tubing

Assignee: PENNSYLVANIA FLUOROCARBON COMP
•
Filing: 1965-04-13
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Granted: 1966-08-09
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Expires: 1985-04-13
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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 18:06
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)

US2888042A Cited
US2964796A Cited
US3050786A Cited
US3008187A Cited

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

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