Patent US2407206A successfully refreshed from Google Patents.
Patent US2631341A successfully refreshed from Google Patents.
US2631341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable blind or awning
Assignee: RHODE ISLAND ENGINEERING AND M
•
Filing: 1949-03-21
•
Granted: 1953-03-17
•
Expires: 1969-03-21
Abstract
No abstract record available.
Inventors
- 👤 Kenneth W Pettigrew
- 👤 Jr Charles A Kilvert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:32
CPC Classifications
E; E04; E04F; E04F10/00; E04F10/08; E04F10/10; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US147090A
Cited
GB189317923A
Cited
US1549037A
Cited
US1620958A
Cited
US1943693A
Cited
US2070114A
Cited
US2187639A
Cited
US2234712A
Cited
US2233315A
Cited
US2244012A
Cited
US2239242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |