Patent US3156332A successfully refreshed from Google Patents.
US3156332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated metal structure
Assignee: Cameron Windows Aluminum Ltd
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Filing: 1963-03-25
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Granted: 1964-11-10
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Expires: 1983-03-25
Abstract
No abstract record available.
Inventors
- 👤 Donald J Cameron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:11
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/04; E06B3/263; E06B3/267; E06B3/2675; E06B2003/26349; E06B2003/2635; E06B2003/26359; E06B2003/26387; E06B2003/26389; Y; Y10; Y10S; Y10S49/00; Y10S49/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
228 words
AN INSULTED METAL STRUCTURE ESPECIALLY SUITED FOR USE AS A WINDOW FRAME, DOOR FRAME, WINDOW SASH AND DOOR SASH, SAID INSULATED METAL STRUCTURE COMPRISING A FIRST METAL SECTION AND A SECOND METAL SECTION, SAID FIRST METAL SECTION INCLUDING A FIRST WALL HAVING AN INWARDLY TURNED FIRST FLANGE, SAID SECOND METAL SECTION INCLUDING A SECOND WALL HAVING AN INWARDLY TURNED SECOND FLANGE, SAID FIRST AND SECOND SECTIONS BEING POSITIONED SIDE-BY-SIDE WITH SAID FLANGES ADJACENT TO AND SPACED APART FROM EACH OTHER; A MEMBER OF RIGID THERMAL INSULATING MATERIAL POSITIONED BETWEEN SAID SECTIONS AND LOCKING SAID SECTIONS TOGETHER, SAID INSULATING MEMBER BEING ADAPTED TO BE READILY SLIDABLE BETWEEN SAID SECTIONS FOR SLIDABLE INSERTION BETWEEN SAID SECTIONS AND FOR SLIDABLE REMOVAL FROM BETWEEN SAID SECTIONS, SAID INSULATING MEMBER BEING OF T-SHAPED CONFIGURATION AND COMPRISING A FIRST PORTION HAVING FIRST, SECOND, THIRD AND FOURTH ARMS, SAID FIRST AND SECOND ARMS EXTENDING AWAY FROM SAID FIRST PORTION ON ONE SIDE THEREOF AND BEING SPACED APART FROM EACH OTHER, SAID THIRD AND FOURTH ARMS EXTENDING AWAY FROM SAID FIRST PORTION ON ANOTHER SIDE THEREOF OPPOSITE SAID ONE SIDE AND BEING SPACED APART FROM EACH OTHER, SAID FIRST AND THIRD ARMS EACH HAVING INWARDLY TURNED ARMS POSTIONED REMOTE FROM SAID FIRST PORTION AND EXTENDING TOWARDS SAID SECOND AND FOURTH ARMS RESPECTIVELY, SAID FIRST AND SECOND ARMS AND ONE OF SAID INWARDLY TURNED ARMS DEFINING A
Claim 2
Dependent Claim
228 words
AN INSULTED METAL STRUCTURE ESPECIALLY SUITED FOR USE AS A WINDOW FRAME, DOOR FRAME, WINDOW SASH AND DOOR SASH, SAID INSULATED METAL STRUCTURE COMPRISING A FIRST METAL SECTION AND A SECOND METAL SECTION, SAID FIRST METAL SECTION INCLUDING A FIRST WALL HAVING AN INWARDLY TURNED FIRST FLANGE, SAID SECOND METAL SECTION INCLUDING A SECOND WALL HAVING AN INWARDLY TURNED SECOND FLANGE, SAID FIRST AND SECOND SECTIONS BEING POSITIONED SIDE-BY-SIDE WITH SAID FLANGES ADJACENT TO AND SPACED APART FROM EACH OTHER; A MEMBER OF RIGID THERMAL INSULATING MATERIAL POSITIONED BETWEEN SAID SECTIONS AND LOCKING SAID SECTIONS TOGETHER, SAID INSULATING MEMBER BEING ADAPTED TO BE READILY SLIDABLE BETWEEN SAID SECTIONS FOR SLIDABLE INSERTION BETWEEN SAID SECTIONS AND FOR SLIDABLE REMOVAL FROM BETWEEN SAID SECTIONS, SAID INSULATING MEMBER BEING OF T-SHAPED CONFIGURATION AND COMPRISING A FIRST PORTION HAVING FIRST, SECOND, THIRD AND FOURTH ARMS, SAID FIRST AND SECOND ARMS EXTENDING AWAY FROM SAID FIRST PORTION ON ONE SIDE THEREOF AND BEING SPACED APART FROM EACH OTHER, SAID THIRD AND FOURTH ARMS EXTENDING AWAY FROM SAID FIRST PORTION ON ANOTHER SIDE THEREOF OPPOSITE SAID ONE SIDE AND BEING SPACED APART FROM EACH OTHER, SAID FIRST AND THIRD ARMS EACH HAVING INWARDLY TURNED ARMS POSTIONED REMOTE FROM SAID FIRST PORTION AND EXTENDING TOWARDS SAID SECOND AND FOURTH ARMS RESPECTIVELY, SAID FIRST AND SECOND ARMS AND ONE OF SAID INWARDLY TURNED ARMS DEFINING A
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) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |