US3124055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
rubera
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
•
Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:33
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A WINDOW VENTILATOR COMPRISING TWO RELATIVELY ADJUSTABLE PANELS, SAID PANELS BEING FORMED INTEGRALLY OF A SINGLE SHEET OF MOLDED PLASTIC MATERIAL AND HAVING AN END PORTION THEREOF BENT AT RIGHT ANGLES TO THE MAIN PORTION OF SAID PANELS, INTERENGAGING GROOVES AND PROJECTIONS ON SAID PANELS EXTENDING LENGTHWISE OF SAID PANELS TO PERMIT LENGTHWISE ADJUSTMENT THEREOF, AND INTERMEDIATE PANEL HAVING GROOVES EXTENDING FROM END TO END ON ONE SURFACE THEREOF AND PROJECTIONS FORMED ON THE OPPOSITE SURFACE THEREOF EXTENDING FROM END TO END. THE GROOVES AND PROJECTIONS ON SAID INTERMEDIATE MEMBER BEING ADAPTED TO ENGAGE RESPECTIVELY THE GROOVES AND PROJECTIONS ON SAID FIRST MENTIONED PANELS, AND MEANS TO DETACHABLY ATTACH SAID END PORTIONS TO A WINDOW FRAME.
Claim 2
Dependent Claim
116 words
A WINDOW VENTILATOR COMPRISING TWO RELATIVELY ADJUSTABLE PANELS, SAID PANELS BEING FORMED INTEGRALLY OF A SINGLE SHEET OF MOLDED PLASTIC MATERIAL AND HAVING AN END PORTION THEREOF BENT AT RIGHT ANGLES TO THE MAIN PORTION OF SAID PANELS, INTERENGAGING GROOVES AND PROJECTIONS ON SAID PANELS EXTENDING LENGTHWISE OF SAID PANELS TO PERMIT LENGTHWISE ADJUSTMENT THEREOF, AND INTERMEDIATE PANEL HAVING GROOVES EXTENDING FROM END TO END ON ONE SURFACE THEREOF AND PROJECTIONS FORMED ON THE OPPOSITE SURFACE THEREOF EXTENDING FROM END TO END. THE GROOVES AND PROJECTIONS ON SAID INTERMEDIATE MEMBER BEING ADAPTED TO ENGAGE RESPECTIVELY THE GROOVES AND PROJECTIONS ON SAID FIRST MENTIONED PANELS, AND MEANS TO DETACHABLY ATTACH SAID END PORTIONS TO A WINDOW FRAME.
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) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |