US3093448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Encapsulation of electrical components and other articles
Assignee: WR Grace and Co
•
Filing: 1959-11-25
•
Granted: 1963-06-11
•
Expires: 1979-11-25
Abstract
No abstract record available.
Inventors
- 👤 Wylie C Kirkpatrick
- 👤 Jr William G Baird
- 👤 Thomas E Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:38
CPC Classifications
H; H01; H01G; H01G2/00; H01G2/12; H05; H05K; H05K3/00; H05K3/22; H05K3/28; H05K3/284; B; B29; B29K; B29K2995/00; B29K2995/0037; B29K2995/0049; B29K2995/005; B29K2995/0051; B29K2995/0053; H05K2203/00; H05K2203/13; H05K2203/1305; H05K2203/1311; Y; Y10; Y10S; Y10S174/00; Y10S174/08; Y10S264/00; Y10S264/71; Y10S439/00; Y10S439/932
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A METHOD OF ENCAPSULATING AN ELECTRICAL COMPONENT COMPRISING THE STEPS OF: PLACING THE ELECTRICAL COMPONENT IN A TUBE OF ORIENTED FILM MADE OF A POLYMER OF OLEFIN HAVING 2 TO 3 CARBON ATOMS WITH AT LEAST ONE LEAD FROM THE COMPONENT EXTENDING OUT OF AT LEAST ONE OF THE ENDS OF THE TUBE, APPLYING HEAT LOCALLY TO THE END OF THE TUBE HAVING THE LEAD EXTENDING THEREFROM TO CAUSE THE END TO SHRINK ABOUT THE LEAD, THEN APPLYING ADDITIONAL HEAT LOCALLY TO THE SHRUNK END TO CAUSE THE SAME TO MELT AND SEAL ABOUT THE LEAD, AND THEN APPLYING HEAT ALONG THE LENGTH OF THE TUBE CAUSING UNI-DIRECTIONAL SHRINKING OF THE TUBE ABOUT THE COMPONENT.
Claim 2
Independent Claim
115 words
A METHOD OF ENCAPSULATING AN ELECTRICAL COMPONENT COMPRISING THE STEPS OF: PLACING THE ELECTRICAL COMPONENT IN A TUBE OF ORIENTED FILM MADE OF A POLYMER OF OLEFIN HAVING 2 TO 3 CARBON ATOMS WITH AT LEAST ONE LEAD FROM THE COMPONENT EXTENDING OUT OF AT LEAST ONE OF THE ENDS OF THE TUBE, APPLYING HEAT LOCALLY TO THE END OF THE TUBE HAVING THE LEAD EXTENDING THEREFROM TO CAUSE THE END TO SHRINK ABOUT THE LEAD, THEN APPLYING ADDITIONAL HEAT LOCALLY TO THE SHRUNK END TO CAUSE THE SAME TO MELT AND SEAL ABOUT THE LEAD, AND THEN APPLYING HEAT ALONG THE LENGTH OF THE TUBE CAUSING UNI-DIRECTIONAL SHRINKING OF THE TUBE ABOUT THE COMPONENT.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |