US1497194A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio alarm system
Assignee: Individual
•
Filing: 1922-04-13
•
Granted: 1924-06-10
•
Expires: 1942-04-13
Abstract
No abstract record available.
Inventors
- 👤 Norden Jesse
- 👤 Waltz Anton Fetting
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:02
CPC Classifications
G; G08; G08B; G08B25/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1927-06-10 | 1927-12-10 | 1928-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-06-10 | 1931-12-10 | 1932-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-06-10 | 1935-12-10 | 1936-06-10 | $7700.00 | Window Closed / Lapsed |