Patent US3204324A successfully refreshed from Google Patents.
US3204324A
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Method for making an insulated frame construction
Assignee: Soule Steel Co
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Filing: 1962-12-10
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Granted: 1965-09-07
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Expires: 1982-12-10
Abstract
No abstract record available.
Inventors
- 👤 Nilsen Fridthjov
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:25
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/04; E06B3/263; E06B3/267; Y; Y10; Y10S; Y10S49/00; Y10S49/01; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49625; Y10T29/49627; Y10T29/49789; Y10T29/49796
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A METHOD FOR FORMING AN INSULATING CONSTRUCTION FOR USE IN WINDOW AND CURTAIN WALL SYSTEMS COMPRISING: (A) PROVIDING FIRST AND SECOND METAL STRIPS DISPOSED IN GENERALLY PARALLEL SPACED RELATION HAVING SPACED APART FIRST AND SECOND GENERALLY U-SHAPED CHANNELS ON SAID RESPECTIVE STRIPS FORMED WITH METAL SIDES GENERALLY NORMAL TO SAID STRIPS, AT LEAST ONE PROJECTION INSIDE EACH CHANNEL ON A SIDE THEREOF, AND WHEREIN AT LEAST ONE METAL SIDE OF EACH CHANNEL IS POSITIONED IN OPPOSED RELATION AND JOINED TOGETHER WITH A METAL SECTION THEREBETWEEN; (B) FILLING THE INTERIOR OF SAID CHANNELS AND THE AREA THEREBETWEEN BOUNDED BY SAID METAL SECTION WITH AN INSULATING SPACER BY FLOWING A RESINOUS INSULATING COMPOSITION THEREIN; (C) CURING SAID RESINOUS INSULATING COMPOSITION TO HARDEN THE SAME; (D) AND THEN REMOVING SAID METAL SECTION JOINING SAID CHANNELS.
Claim 2
Independent Claim
132 words
A METHOD FOR FORMING AN INSULATING CONSTRUCTION FOR USE IN WINDOW AND CURTAIN WALL SYSTEMS COMPRISING: (A) PROVIDING FIRST AND SECOND METAL STRIPS DISPOSED IN GENERALLY PARALLEL SPACED RELATION HAVING SPACED APART FIRST AND SECOND GENERALLY U-SHAPED CHANNELS ON SAID RESPECTIVE STRIPS FORMED WITH METAL SIDES GENERALLY NORMAL TO SAID STRIPS, AT LEAST ONE PROJECTION INSIDE EACH CHANNEL ON A SIDE THEREOF, AND WHEREIN AT LEAST ONE METAL SIDE OF EACH CHANNEL IS POSITIONED IN OPPOSED RELATION AND JOINED TOGETHER WITH A METAL SECTION THEREBETWEEN; (B) FILLING THE INTERIOR OF SAID CHANNELS AND THE AREA THEREBETWEEN BOUNDED BY SAID METAL SECTION WITH AN INSULATING SPACER BY FLOWING A RESINOUS INSULATING COMPOSITION THEREIN; (C) CURING SAID RESINOUS INSULATING COMPOSITION TO HARDEN THE SAME; (D) AND THEN REMOVING SAID METAL SECTION JOINING SAID CHANNELS.
References Cited (Backward Citations)
US1552748A
Cited
US2366274A
Cited
US2382245A
Cited
US2781111A
Cited
US2964146A
Cited
US2921693A
Cited
US2835360A
Cited
CH356265A
Cited
US3070474A
Cited
US3037589A
Cited
US3093217A
Cited
US3114179A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |