US3071215A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curtain wall
Assignee: Individual
•
Filing: 1957-04-17
•
Granted: 1963-01-01
•
Expires: 1977-04-17
Abstract
No abstract record available.
Inventors
- 👤 George R Gall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:34
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/88; E04B2/96
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
A WEATHERPROOF, EXTERIOR CURTAIN WALL COMPRISING A PLURALITY OF ADJACENT UNITS IN A COMMON PLANE, EACH SAID UNIT COMPRISING INTERSECTING SPACED VERTICAL AND SPACED HORIZONTAL RAILS, ADJACENT SPACED PAIRS OF SAID RAILS DEFINING AT LEAST ONE PANEL PORTION AND AT LEAST ONE GLASS PORTION, SAID RAILS HAVING CHANNELS OPENING TOWARD SAID PANEL AND GLASS PORTIONS RESPECTIVELY, RESILIENT SEALING MEANS CARRIED BY SAID RAILS AND EXTENDING INTO SAID CHANNELS, PANEL MEANS IN EACH SAID PANEL PORTION AND WINDOW MEANS IN EACH SAID GLASS PORTION OF EACH SAID UNIT, SAID SEALING MEANS FRICTIONALLY ENGAGING EACH SAID PANEL MEANS AND WINDOW MEANS ADJACENT THE PERIPHERY THEREOF, SAID PANEL AND WINDOW MEANS HAVING MOVEMENT IN CONTRACTION AND EXPANSION INDEPENDENT OF SAID RAILS, THE OUTERMOST OF SAID VERTICAL AND HORIZONTAL RAILS ADJACENT ADJACENT UNITS HAVING RESILIENT SEALING MEANS MOUNTED ON THE OUTER SIDE THEREOF AND OPERATIVELY ENGAGING THE ADJACENT OUTERMOST RAIL OF THE ADJACENT UNIT, FASTENING MEANS INTERCONNECTING SAID ADJACENT OUTERMOST RAILS AND RESILIENT MEANS DISPOSED BETWEEN SAID FASTENING MEANS AND SAID ADJACENT RAILS RESPECTIVELY, SAID RESILIENT MEANS BEING ON THE SIDE OF EACH SAID ADJACENT RAIL REMOTE FROM THE OTHER SAID RAIL.
Claim 2
Dependent Claim
188 words
A WEATHERPROOF, EXTERIOR CURTAIN WALL COMPRISING A PLURALITY OF ADJACENT UNITS IN A COMMON PLANE, EACH SAID UNIT COMPRISING INTERSECTING SPACED VERTICAL AND SPACED HORIZONTAL RAILS, ADJACENT SPACED PAIRS OF SAID RAILS DEFINING AT LEAST ONE PANEL PORTION AND AT LEAST ONE GLASS PORTION, SAID RAILS HAVING CHANNELS OPENING TOWARD SAID PANEL AND GLASS PORTIONS RESPECTIVELY, RESILIENT SEALING MEANS CARRIED BY SAID RAILS AND EXTENDING INTO SAID CHANNELS, PANEL MEANS IN EACH SAID PANEL PORTION AND WINDOW MEANS IN EACH SAID GLASS PORTION OF EACH SAID UNIT, SAID SEALING MEANS FRICTIONALLY ENGAGING EACH SAID PANEL MEANS AND WINDOW MEANS ADJACENT THE PERIPHERY THEREOF, SAID PANEL AND WINDOW MEANS HAVING MOVEMENT IN CONTRACTION AND EXPANSION INDEPENDENT OF SAID RAILS, THE OUTERMOST OF SAID VERTICAL AND HORIZONTAL RAILS ADJACENT ADJACENT UNITS HAVING RESILIENT SEALING MEANS MOUNTED ON THE OUTER SIDE THEREOF AND OPERATIVELY ENGAGING THE ADJACENT OUTERMOST RAIL OF THE ADJACENT UNIT, FASTENING MEANS INTERCONNECTING SAID ADJACENT OUTERMOST RAILS AND RESILIENT MEANS DISPOSED BETWEEN SAID FASTENING MEANS AND SAID ADJACENT RAILS RESPECTIVELY, SAID RESILIENT MEANS BEING ON THE SIDE OF EACH SAID ADJACENT RAIL REMOTE FROM THE OTHER SAID RAIL.
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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |