Patent US5383955A successfully refreshed from Google Patents.
Patent US2724434A successfully refreshed from Google Patents.
US2724434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bamboo draperies
Assignee: Individual
•
Filing: 1952-08-16
•
Granted: 1955-11-22
•
Expires: 1972-08-16
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:54
CPC Classifications
A; A47; A47H; A47H23/00; A47H23/02; A47H23/08; A47H23/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1958-11-21 | 1959-05-23 | 1959-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-21 | 1963-05-23 | 1963-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-21 | 1967-05-23 | 1967-11-22 | $7700.00 | Window Closed / Lapsed |