US3561037A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety curtain hanger
Assignee: Individual
•
Filing: 1968-07-16
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Granted: 1971-02-09
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Expires: 1988-07-16
Abstract
Abstract A RESILIENT CLIP-TYPE CURTAIN HANGER HAVING A SLOT AT ITS FREE CLIP END WHICH ENGAGES AT TOP AND BOTTOM A PAIR OF OPPOSITELY DIRECTED HOOKS EXTENDING FROM THE SUPPORTING PORTION OF THE HANGER. THE DISTANCE BETWEEN THE ENGAGING FACES OF THE HOOKS IS GREATER THAN THE LENGTH OF THE SLOT AND THE HOOKS CAN BE FLEXED TOGETHER SOMEWHAT TO ENTER THE SLOT.
Inventors
- 👤 Wilhelm Hachtel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:10
CPC Classifications
A; A47; A47H; A47H13/00; A47H13/04; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/51
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |