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Patent US3211212A successfully refreshed from Google Patents.
US3211212A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Springless shade roller
Assignee: STANDARD SHADE ROLLER CORP
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Filing: 1963-11-12
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Granted: 1965-10-12
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Expires: 1983-11-12
Abstract
No abstract record available.
Inventors
- 👤 Robert J Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:43
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/56; E06B9/80; E06B9/82; E06B9/90
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
132 words
A ROLLER SHADE ASSEMBLY COMPRISING, IN COMBINATION, AN ELONGATED BARREL ADAPTED TO RECEIVE A SHADE IN WOUND RELATION THEREON, MEANS FOR ROTATBLY SUPPORTING THE OPPOSITE ENDS OF SAID BARREL TO PERMIT WINDING AND UNWINDING OF A SHADE THEREON, SAID MEANS INCLUDING A GUDGEON AT ONE END OF SAID BARREL AND A WINDING ASSEMBLY AT THE OTHER END OF SAID BARREL, SAID WINDING ASSEMBLY COMPRISING A SPROCKET WHEEL HAVING A HOLLOW HUB PROJECTING LATERALLY FROM THE WHEEL INTO SAID BARREL, AND A STATIONARY SPEAR HAVING AN ELONGATE JOURNAL PORTION PROJECTING INTO AND ROTATABLY SUPPORTING SAID WHEEL AND ITS HUB, AND FRICTION MEANS WITHIN SAID BARREL AND ACTING BETWEEN SAID JOURNAL AND SAID HUB FOR RESTRANING FREE ROTATION OF SAID BARREL, AND DIRVING MEANS ENGAGED OVER SAID SPROCKET WHEEL FOR MANUALLY ROTATING SAID BARREL.
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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |