Patent CA680304A successfully refreshed from Google Patents.
Patent US3272968A successfully refreshed from Google Patents.
US3272968A
Expired / Lapsed
US
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Flexible electric surface heating assembly
Assignee: Edwin L Wiegand Co
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Filing: 1963-12-05
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Granted: 1966-09-13
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Expires: 1983-12-05
Abstract
No abstract record available.
Inventors
- 👤 John F Volker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:39
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/40; H05B3/54; H05B3/56; B; B23; B23K; B23K9/00; B23K9/235; C; C21; C21D; C21D9/00; C21D9/50; H05B3/565
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A BODY HEATER ASSEMBLY TO BE APPLIED TO BODY SURFACES WHICH MAY BE NON-PLANAR, COMPRISING AN ELONGATED, LONGITUDINALLY FLEXIBLE, HEAT-RESISTANT SUPPORT MEMBER, AN ELONGATED, TUBULAR, LONGITUDINALLY FLEXIBLE, METALLIC SHEATHED, ELECTRIC RESISTANCE HEATING ELEMENT GENERALLY COEXTENSIVE WITH SAID SUPPORT MEMBER, SAID ELEMENT BEING DISPOSED ADJACENT TO BUT SPACED LATERALLY OF SAID SUPPORT MEMBER AND BEING POSITIONED INTERMEDIATE THE LATTER AND THE BODY TO BE HEATED, AND A PLURALITY OF SHEET-METAL SPACER MEMBERS IN END-TO-END RELATION INTERMEDIATE SAID SUPPORT MEMBER AND SAID ELEMENT FOR MAINTAINING THE SPACED RELATIONSHIP THEREBETWEEN, EACH SPACER MEMBER BEING CHANNEL-SHAPED IN CROSS-SECTION WITH ITS WEB PORTION DISPOSED ADJACENT TO AND PARALLEL WITH SAID SUPPORT MEMBER AND WITH OTHER PORTIONS PROJECTING TRANSVERSELY OF SAID SUPPORT MEMBER TOWARD SAID ELEMENT FOR ENGAGEMENT WITH LONGITUDINALLY SPACED ELEMENT PORTIONS.
Claim 2
Dependent Claim
127 words
A BODY HEATER ASSEMBLY TO BE APPLIED TO BODY SURFACES WHICH MAY BE NON-PLANAR, COMPRISING AN ELONGATED, LONGITUDINALLY FLEXIBLE, HEAT-RESISTANT SUPPORT MEMBER, AN ELONGATED, TUBULAR, LONGITUDINALLY FLEXIBLE, METALLIC SHEATHED, ELECTRIC RESISTANCE HEATING ELEMENT GENERALLY COEXTENSIVE WITH SAID SUPPORT MEMBER, SAID ELEMENT BEING DISPOSED ADJACENT TO BUT SPACED LATERALLY OF SAID SUPPORT MEMBER AND BEING POSITIONED INTERMEDIATE THE LATTER AND THE BODY TO BE HEATED, AND A PLURALITY OF SHEET-METAL SPACER MEMBERS IN END-TO-END RELATION INTERMEDIATE SAID SUPPORT MEMBER AND SAID ELEMENT FOR MAINTAINING THE SPACED RELATIONSHIP THEREBETWEEN, EACH SPACER MEMBER BEING CHANNEL-SHAPED IN CROSS-SECTION WITH ITS WEB PORTION DISPOSED ADJACENT TO AND PARALLEL WITH SAID SUPPORT MEMBER AND WITH OTHER PORTIONS PROJECTING TRANSVERSELY OF SAID SUPPORT MEMBER TOWARD SAID ELEMENT FOR ENGAGEMENT WITH LONGITUDINALLY SPACED ELEMENT PORTIONS.
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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) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |