US3209503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated curtain wall assembly
Assignee: ELWIN G SMITH AND CO Inc
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Filing: 1962-05-11
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Granted: 1965-10-05
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Expires: 1982-05-11
Abstract
No abstract record available.
Inventors
- 👤 Mostoller George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:52
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0801; E04F13/0832; E04F13/0833; E04F13/0841; E04F13/0842
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
IN A WALL CONSTRUCTION COMPRISING A PLURALITY OF BACK PANELS HAVING INTERLOCKING SIDE FLANGES, BATS OF INSULATION EXTENDING BETWEEN SAID SIDE FLANGES, A PLURALITY OF OUTER PANELS HAVING INERLOCKING SIDE FLANGES, IN COMBINATION, A PLURALITY OF CLIPS, EACH HAVING A REVERSELY BENT FLANGE PORTION DIRECTLY CLAMPING A SIDE FLANGE OF ONE OF SAID OUTER PANELS, AN INTEGRAL LEDGE PORTION AT RIGHT ANGLE TO SAID FLANGE PORTION AND INTEGRAL EXTENSION AT RIGHT ANGLES THERETO PIERCING SAID BATS OF INSULATION, SAID SIDE EXTENSIONS BEING NOTCHED OUT WITH OUTSTRUCK FLANGES TO FORM SPRING TABS SNUGLY EMBRACING AND DETACHABLY SECURED TO THE SIDE FLANGES OF SAID BACK PANEL.
Claim 2
Dependent Claim
104 words
IN A WALL CONSTRUCTION COMPRISING A PLURALITY OF BACK PANELS HAVING INTERLOCKING SIDE FLANGES, BATS OF INSULATION EXTENDING BETWEEN SAID SIDE FLANGES, A PLURALITY OF OUTER PANELS HAVING INERLOCKING SIDE FLANGES, IN COMBINATION, A PLURALITY OF CLIPS, EACH HAVING A REVERSELY BENT FLANGE PORTION DIRECTLY CLAMPING A SIDE FLANGE OF ONE OF SAID OUTER PANELS, AN INTEGRAL LEDGE PORTION AT RIGHT ANGLE TO SAID FLANGE PORTION AND INTEGRAL EXTENSION AT RIGHT ANGLES THERETO PIERCING SAID BATS OF INSULATION, SAID SIDE EXTENSIONS BEING NOTCHED OUT WITH OUTSTRUCK FLANGES TO FORM SPRING TABS SNUGLY EMBRACING AND DETACHABLY SECURED TO THE SIDE FLANGES OF SAID BACK PANEL.
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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |