US2615322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telephone lock
Assignee: Individual
•
Filing: 1949-01-25
•
Granted: 1952-10-28
•
Expires: 1969-01-25
Abstract
No abstract record available.
Inventors
- 👤 Gazda Antoine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:42
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/66; H04M1/667; Y; Y10; Y10S; Y10S70/00; Y10S70/72; Y10T; Y10T70/00; Y10T70/50; Y10T70/5009; Y10T70/5027; Y10T70/5093; Y10T70/554; Y10T70/5544
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |