Patent US2397458A successfully refreshed from Google Patents.
US2397458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Louver post
Assignee: Binks Sames Corp
•
Filing: 1945-03-22
•
Granted: 1946-04-02
•
Expires: 1965-03-22
Abstract
No abstract record available.
Inventors
- 👤 Allen George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:16
CPC Classifications
F; F28; F28F; F28F25/00; F28F25/10; F28F25/12; F24; F24F; F24F13/00; F24F13/08; F24F13/082; Y; Y10; Y10S; Y10S261/00; Y10S261/11
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1949-04-01 | 1949-10-01 | 1950-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-04-01 | 1953-10-01 | 1954-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-04-01 | 1957-10-01 | 1958-04-02 | $7700.00 | Window Closed / Lapsed |