US3341973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screen roller assembly
Assignee: Daryl Industries Inc
•
Filing: 1965-07-19
•
Granted: 1967-09-19
•
Expires: 1985-07-19
Abstract
No abstract record available.
Inventors
- 👤 Donald L Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:53
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
IN COMBINATION WITH A PAIR OF VERTICALLY SPACED TRACKS FOR GUIDING MOVEMENT OF A PANEL FRAME HAVING A VERTICAL STILE AND A PAIR OF RAILS CONNECTED TO OPPOSITE ENDS OF THE STILE, A GUIDE ASSEMBLY MOUNTED BY THE STILE COMPRISING TRACK ENGAGING MEANS SLIDABLY MOUNTED BY THE STILE PROJECTING FROM SAID OPPOSITE ENDS THEREOF, A SPRING ELEMENT CONNECTED TO EACH OF SAID TRACK ENGAGING MEANS WITHIN THE STILE, SPRING ANCHORING MEANS CONNECTING EACH OF SAID SPRING ELEMENTS TO THE STILE AT LOCATIONS FOR LIMITING OUTWARD PROJECTION OF THE TRACK ENGAGING MEANS FROM THE STILE AND YIELDABLY RESISTING INWARD RETRACTION THEREOF, AND ADJUSTABLE MEANS MOUNTED BY THE SILE FOR LIMITING SAID INWARD RETRACTION OF THE TRACK ENGAGING MEANS TO PREVENT DISASSEMBLY OF THE PANEL FRAME FROM THE TRACKS, SAID AD-
Claim 2
Dependent Claim
129 words
IN COMBINATION WITH A PAIR OF VERTICALLY SPACED TRACKS FOR GUIDING MOVEMENT OF A PANEL FRAME HAVING A VERTICAL STILE AND A PAIR OF RAILS CONNECTED TO OPPOSITE ENDS OF THE STILE, A GUIDE ASSEMBLY MOUNTED BY THE STILE COMPRISING TRACK ENGAGING MEANS SLIDABLY MOUNTED BY THE STILE PROJECTING FROM SAID OPPOSITE ENDS THEREOF, A SPRING ELEMENT CONNECTED TO EACH OF SAID TRACK ENGAGING MEANS WITHIN THE STILE, SPRING ANCHORING MEANS CONNECTING EACH OF SAID SPRING ELEMENTS TO THE STILE AT LOCATIONS FOR LIMITING OUTWARD PROJECTION OF THE TRACK ENGAGING MEANS FROM THE STILE AND YIELDABLY RESISTING INWARD RETRACTION THEREOF, AND ADJUSTABLE MEANS MOUNTED BY THE SILE FOR LIMITING SAID INWARD RETRACTION OF THE TRACK ENGAGING MEANS TO PREVENT DISASSEMBLY OF THE PANEL FRAME FROM THE TRACKS, SAID AD-
References Cited (Backward Citations)
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US3108547A
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US3298136A
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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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |