US2459385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vertical file
Assignee: Niles Audio Corp
•
Filing: 1944-07-28
•
Granted: 1949-01-18
•
Expires: 1964-07-28
Abstract
No abstract record available.
Inventors
- 👤 Alfred M Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:30
CPC Classifications
B; B42; B42F; B42F17/00; B42F17/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US486434A
Cited
US576217A
Cited
US818090A
Cited
US1120548A
Cited
US1654555A
Cited
DE466878C
Cited
CH148143A
Cited
US2042167A
Cited
US2176183A
Cited
US2261839A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-18 | 1952-07-19 | 1953-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-18 | 1956-07-19 | 1957-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-18 | 1960-07-19 | 1961-01-18 | $7700.00 | Window Closed / Lapsed |