US3208111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure with longitudinally movable sash
Assignee: ALUMINUM EXTRUSION CO
•
Filing: 1963-03-07
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Granted: 1965-09-28
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Expires: 1983-03-07
Abstract
No abstract record available.
Inventors
- 👤 Grossman Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:11
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/42; E06B3/46; E06B3/4609; E06B3/4618
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
120 words
IN A CLOSURE, THE COMBINATION OF: A FRAME INCLUDING A HEADER INCORPORATING AN UPPER TRACK, A SILL INCORPORATING A LOWER TRACK, AND JAMBS DISPOSED BETWEEN THE OPPOSITE EXTREMITIES OF SAID SILL AND HEADER ADAPTED TO MAINTAIN SAID SILL AND HEADER IN OPERATIVE RELATIONSHIP WITH EACH OTHER; A LONGITUDINALLY MOVABLE SASH MOUNTED IN SAID TRACKS AND INCLUDING UPPER AMD LOWER RAILS AND STILES OPERATIVELY CONNECTING THE OPPOSITE EXTREMITIES OF SAID RAILS; A CARRIAGE DISPOSED IN SAID LOWER TRACK EXTERNALLY OF SAID LOWER RAIL AND EXTENDING THE FULL LENGTH OF SAID LOWER RAIL AND INCLUDING AN ELONGATED BED SUPPORTING SAID LOWER RAIL BY ENGAGEMENT WITH THE UNDERSIDE OF SAID LOWER RAIL AND A PLURALITY OF ROLLERS CONNECTED TO SAID BED, SAID CARRIAGE
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |