US2087104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grille and register construction
Assignee: Individual
•
Filing: 1936-11-12
•
Granted: 1937-07-13
•
Expires: 1956-11-12
Abstract
No abstract record available.
Inventors
- 👤 Eisler Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:43
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/08; F24F13/10; F24F13/14; F24F13/1426; F24F13/1486; F24F2013/1473; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/4962
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) | 1940-07-12 | 1941-01-11 | 1941-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-07-12 | 1945-01-11 | 1945-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-07-12 | 1949-01-11 | 1949-07-13 | $7700.00 | Window Closed / Lapsed |