US1818404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corner support for glass rims
Assignee: American Show Case & Manufacturing Co
•
Filing: 1929-07-11
•
Granted: 1931-08-11
•
Expires: 1949-07-11
Abstract
No abstract record available.
Inventors
- 👤 Jacob M Kaufman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:28
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/0043; A47F5/005; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44641; Y10T24/4465
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) | 1934-08-10 | 1935-02-09 | 1935-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-08-10 | 1939-02-09 | 1939-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-08-10 | 1943-02-09 | 1943-08-11 | $7700.00 | Window Closed / Lapsed |