US3024315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sender apparatus for a telephone system
Assignee: Automatic Electric Laboratories Inc
•
Filing: 1956-08-01
•
Granted: 1962-03-06
•
Expires: 1976-08-01
Abstract
No abstract record available.
Inventors
- 👤 Alfred H Faulkner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:45
CPC Classifications
H; H04; H04Q; H04Q3/00; H04Q3/42
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1840132A
Cited
US2709771A
Cited
US2623108A
Cited
US2678409A
Cited
US2851534A
Cited
US2865563A
Cited
US2719250A
Cited
US2850630A
Cited
US2829257A
Cited
US2854521A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-05 | 1965-09-04 | 1966-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-05 | 1969-09-04 | 1970-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-05 | 1973-09-04 | 1974-03-06 | $7700.00 | Window Closed / Lapsed |