US3232655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking device for double hung window
Assignee: Individual
•
Filing: 1963-09-30
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Granted: 1966-02-01
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Expires: 1983-09-30
Abstract
No abstract record available.
Inventors
- 👤 Herbert L Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:34
CPC Classifications
E; E05; E05F; E05F11/00; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/148; Y; Y10; Y10S; Y10S292/00; Y10S292/20; Y10S292/47; Y10T; Y10T292/00; Y10T292/28; Y10T292/285; Y10T292/65
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A LOCKING DEVICE FOR DOUBLE HUNG WINDOWS COMPRISING A PAIR OF BARS ADJUSTABLY SECURED TOGETHER AND MOUNTED ON THE SIDE JAMB OF A DOUBLE HUNG WINDOW, THE UPPER END OF ONE OF THE SAID BARS BEING ADAPTED TO REST AGAINST THE UNDERSIDE OF THE TOP RAIL OF THE UPPER SASH TO SAID WINDOW WHEN SAID SASH IS LOWERED TO A PREDETERMINED DISTANCE, THE LOWER ENDS OF SAID BARS ADAPTED TO REST AGAINST THE UPPER SIDE OF THE UPPER RAIL OF THE LOWER SASH WHEN SAID LOWER SASH IS RAISED A PREDETERMINED DISTANCE, WHEREBY EACH SASH IS LOCKED AGAINST OPENING MORE THAN ITS PREDETERMINED DISTANCE.
Claim 2
Dependent Claim
104 words
A LOCKING DEVICE FOR DOUBLE HUNG WINDOWS COMPRISING A PAIR OF BARS ADJUSTABLY SECURED TOGETHER AND MOUNTED ON THE SIDE JAMB OF A DOUBLE HUNG WINDOW, THE UPPER END OF ONE OF THE SAID BARS BEING ADAPTED TO REST AGAINST THE UNDERSIDE OF THE TOP RAIL OF THE UPPER SASH TO SAID WINDOW WHEN SAID SASH IS LOWERED TO A PREDETERMINED DISTANCE, THE LOWER ENDS OF SAID BARS ADAPTED TO REST AGAINST THE UPPER SIDE OF THE UPPER RAIL OF THE LOWER SASH WHEN SAID LOWER SASH IS RAISED A PREDETERMINED DISTANCE, WHEREBY EACH SASH IS LOCKED AGAINST OPENING MORE THAN ITS PREDETERMINED DISTANCE.
References Cited (Backward Citations)
GB172444A
Cited
US1739097A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |