US2603719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined wall and desk telephone set
Assignee: Automatic Electric Laboratories Inc
•
Filing: 1950-09-13
•
Granted: 1952-07-15
•
Expires: 1970-09-13
Abstract
No abstract record available.
Inventors
- 👤 Theodore C Riebe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:26
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/02; H04M1/04; H04M1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1981649A
Cited
US1819362A
Cited
US1971499A
Cited
US2375681A
Cited
US2479198A
Cited
US2492375A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |