Patent US3106754A successfully refreshed from Google Patents.
US3106754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual movable sash window
Assignee: Individual
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Filing: 1960-09-26
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Granted: 1963-10-15
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Expires: 1980-09-26
Abstract
No abstract record available.
Inventors
- 👤 Grossman Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:08
CPC Classifications
B; B21; B21H; B21H9/00; B21H9/02; E; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/42; E06B3/46; E06B3/4609
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
99 words
IN A HORIZONTAL WINDOW CONSTRUCTION, THE COMBINATION OF: A FRAME HAVING A HEAD AND A SILL, SAID SILL HAVING INNER AND OUTER CHANNELS, RESPECTIVELY, INCORPORATING INNER AND OUTER TRACKS, SAID INNER CHANNEL HAVING DRAIN OPENINGS THEREIN; AN INNER SASH SLIDABLE ON SAID INNER TRACK; AN OUTER SASH SLIDABLE ON SAID OUTER TRACK; A WEATHERSTRIP RECEPTACLE FORMED IN THE INNER PORTION OF SAID OUTER TRACK BELOW THE TOP OF SAID TRACK; AND A HORIZONTAL WEATERSTRIP IN SAID RECEPTACLE COVERING SAID DRAIN OPENINGS, SAID WEATHERSTRIP BEING CONSTITUTED BY AN ELONGATED BODY HAVING A PLURALITY OF FILAMENTARY ELEMENTS COVERING SAID DRAIN OPENINGS.
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) | 1966-10-14 | 1967-04-15 | 1967-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-14 | 1971-04-15 | 1971-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-14 | 1975-04-15 | 1975-10-15 | $7700.00 | Window Closed / Lapsed |