US2782748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Personal alarm device
Assignee: Individual
•
Filing: 1955-07-26
•
Granted: 1957-02-26
•
Expires: 1975-07-26
Abstract
No abstract record available.
Inventors
- 👤 Teddy V Zegarowitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:24
CPC Classifications
G; G10; G10K; G10K5/00; F; F21; F21L; F21L2/00; F21V; F21V33/00; G08; G08B; G08B21/00; G08B21/02; G08B21/0297; Y; Y10; Y10S; Y10S116/00; Y10S116/44
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) | 1960-02-26 | 1960-08-27 | 1961-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-26 | 1964-08-27 | 1965-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-26 | 1968-08-27 | 1969-02-26 | $7700.00 | Window Closed / Lapsed |