US2884055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curtain suspending devices
Assignee: Vorwerk and Sohn GmbH and Co KG
•
Filing: 1954-11-23
•
Granted: 1959-04-28
•
Expires: 1974-11-23
Abstract
No abstract record available.
Inventors
- 👤 Scholer Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:37
CPC Classifications
A; A47; A47H; A47H13/00; A47H13/14; A47H13/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US359896A
Cited
DE654295C
Cited
DE694469C
Cited
US2161382A
Cited
US2366986A
Cited
US2518301A
Cited
US2648379A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |