US2488372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cabinet for office communication apparatus
Assignee: Hitachi Rail STS USA Inc
•
Filing: 1946-02-11
•
Granted: 1949-11-15
•
Expires: 1966-02-11
Abstract
No abstract record available.
Inventors
- 👤 Edgar W Breisch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:04
CPC Classifications
H; H05; H05K; H05K5/00; H05K5/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1379767A
Cited
US1718374A
Cited
US1791446A
Cited
US1883893A
Cited
US2041112A
Cited
US2077160A
Cited
US2129723A
Cited
US2158868A
Cited
US2178220A
Cited
US2319415A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-14 | 1953-05-16 | 1953-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-14 | 1957-05-16 | 1957-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-14 | 1961-05-16 | 1961-11-15 | $7700.00 | Window Closed / Lapsed |