US3214801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hinged double-hung windows
Assignee: Individual
•
Filing: 1964-10-22
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Granted: 1965-11-02
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Expires: 1984-10-22
Abstract
No abstract record available.
Inventors
- 👤 Nachtsheim Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:25
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/50; E06B3/5054; E06B3/5063
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
186 words
A WINDOW STRUCTURE INCLUDING A FIXED AND A HINGED, INWARDLY SWINGING FRAME, EACH HAVING A HEAD, SILL AND JAMBS, SAID SWINGING FRAME HAVING AN UPPER AND A LOWER SASH WHICH SLIDE PARALLEL TO EACH OTHER, INDIVIDUAL COUNTERBALANCING MEANS FOR THE SASHES LOCATED WITHIN AND SWINGING WITH THE SWINGING FRAME, THE SILL OF THE FIXED FRAME HAVING AT ITS REAR AN UPWARDLY EXTENDING PROJECTION RISING ABOVE THE LEVEL OF THE BOTTOM OF THE LOWER SASH WHEN CLOSED ON THE FIXED SILL, SAID PROJECTION EXTENDINF FOR THE FULL WIDTH OF THE LOWE SASH, THE LOWER PORTION OF THE LOSER SASH WHEN CLOSED ACTING AS A SLIDING BOLT TO PREVENT SWINGING OF THE SWINGING FRAME, AND WHEN THE BOTTOM OF THE LOWER ASH IS RAISED ABOVE THE LEVEL OF THE TOP OF SAID PROJECTION, THE INWARDLY SWINGING FRAME IS FREE TO OPEN TO AT LEAST 90*, A PROJECTION IN THE FRONT OF THE HEAD AND JAMBX OF THE FIXED FRAME FORMING A SEALING STOP, THE PROJECTIONS ON THE SILL, HEAD, AND JAMBS FORMIN WITH THE SWINGING FRAME A RAIN AND WEATHERPROOF LAP-TYPE SEAL WHEN THE SWINGING FRAME IS CLOSED.
Claim 2
Dependent Claim
186 words
A WINDOW STRUCTURE INCLUDING A FIXED AND A HINGED, INWARDLY SWINGING FRAME, EACH HAVING A HEAD, SILL AND JAMBS, SAID SWINGING FRAME HAVING AN UPPER AND A LOWER SASH WHICH SLIDE PARALLEL TO EACH OTHER, INDIVIDUAL COUNTERBALANCING MEANS FOR THE SASHES LOCATED WITHIN AND SWINGING WITH THE SWINGING FRAME, THE SILL OF THE FIXED FRAME HAVING AT ITS REAR AN UPWARDLY EXTENDING PROJECTION RISING ABOVE THE LEVEL OF THE BOTTOM OF THE LOWER SASH WHEN CLOSED ON THE FIXED SILL, SAID PROJECTION EXTENDINF FOR THE FULL WIDTH OF THE LOWE SASH, THE LOWER PORTION OF THE LOSER SASH WHEN CLOSED ACTING AS A SLIDING BOLT TO PREVENT SWINGING OF THE SWINGING FRAME, AND WHEN THE BOTTOM OF THE LOWER ASH IS RAISED ABOVE THE LEVEL OF THE TOP OF SAID PROJECTION, THE INWARDLY SWINGING FRAME IS FREE TO OPEN TO AT LEAST 90*, A PROJECTION IN THE FRONT OF THE HEAD AND JAMBX OF THE FIXED FRAME FORMING A SEALING STOP, THE PROJECTIONS ON THE SILL, HEAD, AND JAMBS FORMIN WITH THE SWINGING FRAME A RAIN AND WEATHERPROOF LAP-TYPE SEAL WHEN THE SWINGING FRAME IS CLOSED.
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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |