US2420977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable window shade and curtain bracket
Assignee: Individual
•
Filing: 1945-02-09
•
Granted: 1947-05-20
•
Expires: 1965-02-09
Abstract
No abstract record available.
Inventors
- 👤 Walter W Pye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:01
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/40; E06B9/42; E06B9/50
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) | 1950-05-19 | 1950-11-18 | 1951-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-19 | 1954-11-18 | 1955-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-19 | 1958-11-18 | 1959-05-20 | $7700.00 | Window Closed / Lapsed |