US3306345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure
Assignee: Individual
•
Filing: 1964-11-16
•
Granted: 1967-02-28
•
Expires: 1984-11-16
Abstract
No abstract record available.
Inventors
- 👤 Wilbur R Youngs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:38
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
207 words
A CLOSURE FOR AN OPENING DEFINED BY A BASE, A HEAD AND SIDE MEMBERS COMPRISING: (A) A FLEXIBLE, WEATHERPROOF, FABRIC CURTAIN; (B) MEANS FOR SECURING THE TOP MARGINAL EDGE OF THE FABRIC CURTAIN TO THE HEAD MEMBER; (C) A ROLLER; (D) MEANS FOR SECURING THE ROLLER TO THE BOTTOM MARGINAL EDGE OF THE FABRIC CURTAIN; (E) A ROPE SECURED TO ONE END OF THE ROLLER AND ADAPTED TO BE WOUND THEREAROUND, THE OTHER END OF THE ROPE BEING FIRMLY ANCHORED TO THE BASE BELOW THE ROLLER; (F) MEANS FOR ANCHORING THE ROPE TO THE BASE; (G) MEANS MOVABLE ALONG A SIDE MEMBER BETWEEN THE BASE AND HEAD MEMBER AS THE ROLLER MOVES ALONG THE CURTAIN COACTING WITH THE ROPE ADJACENT THE ROLLER END, FOR CHANGING THE DIRECTION OF APPLICATION OF AN APPLIED FORCE; AND (H) MEANS FOR SELECTIVELY APPLYING A TENSIONING FORCE TO THE ROPE IN A DIRECTION TOWARDS THE HEAD MEMBER AND FOR RELIEVING THE FORCE, RESPECTIVELY, CAUSING THE ROLLER TO ROTATE TOWARDS THE HEAD MEMBER, WHEREBY THE ROLLER WRAPS ITSELF IN THE CURTAIN REMOVING IT FROM THE OPENING, AND THE FORCE WHEN RELIEVED CAUSING THE ROLLER TO ROTATE AWAY FROM THE HEAD MEMBER, WHEREBY THE ROLLER UNWRAPS ITSELF FROM THE CURTAIN TO COVER THE OPENING.
Claim 2
Dependent Claim
207 words
A CLOSURE FOR AN OPENING DEFINED BY A BASE, A HEAD AND SIDE MEMBERS COMPRISING: (A) A FLEXIBLE, WEATHERPROOF, FABRIC CURTAIN; (B) MEANS FOR SECURING THE TOP MARGINAL EDGE OF THE FABRIC CURTAIN TO THE HEAD MEMBER; (C) A ROLLER; (D) MEANS FOR SECURING THE ROLLER TO THE BOTTOM MARGINAL EDGE OF THE FABRIC CURTAIN; (E) A ROPE SECURED TO ONE END OF THE ROLLER AND ADAPTED TO BE WOUND THEREAROUND, THE OTHER END OF THE ROPE BEING FIRMLY ANCHORED TO THE BASE BELOW THE ROLLER; (F) MEANS FOR ANCHORING THE ROPE TO THE BASE; (G) MEANS MOVABLE ALONG A SIDE MEMBER BETWEEN THE BASE AND HEAD MEMBER AS THE ROLLER MOVES ALONG THE CURTAIN COACTING WITH THE ROPE ADJACENT THE ROLLER END, FOR CHANGING THE DIRECTION OF APPLICATION OF AN APPLIED FORCE; AND (H) MEANS FOR SELECTIVELY APPLYING A TENSIONING FORCE TO THE ROPE IN A DIRECTION TOWARDS THE HEAD MEMBER AND FOR RELIEVING THE FORCE, RESPECTIVELY, CAUSING THE ROLLER TO ROTATE TOWARDS THE HEAD MEMBER, WHEREBY THE ROLLER WRAPS ITSELF IN THE CURTAIN REMOVING IT FROM THE OPENING, AND THE FORCE WHEN RELIEVED CAUSING THE ROLLER TO ROTATE AWAY FROM THE HEAD MEMBER, WHEREBY THE ROLLER UNWRAPS ITSELF FROM THE CURTAIN TO COVER THE OPENING.
References Cited (Backward Citations)
US3211211A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |