US2469923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mirror support having spacing frame
Assignee: Individual
•
Filing: 1946-02-13
•
Granted: 1949-05-10
•
Expires: 1966-02-13
Abstract
No abstract record available.
Inventors
- 👤 Charles R Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:56
CPC Classifications
A; A47; A47G; A47G1/00; A47G1/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US325419A
Cited
US675154A
Cited
US697438A
Cited
US881661A
Cited
US1184304A
Cited
US1654751A
Cited
US2003171A
Cited
US1919475A
Cited
US2325615A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-09 | 1952-11-08 | 1953-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-09 | 1956-11-08 | 1957-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-09 | 1960-11-08 | 1961-05-10 | $7700.00 | Window Closed / Lapsed |