US1192312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burglar or detection system.
Assignee: American District Telegraph Co
•
Filing: 1915-12-06
•
Granted: 1916-07-25
•
Expires: 1935-12-06
Abstract
No abstract record available.
Inventors
- 👤 Richard M Hopkins
- 👤 Joseph F D Hoge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:22
CPC Classifications
G; G08; G08B; G08B13/00; G08B13/16; G08B13/1654; G08B13/1663
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) | 1919-07-25 | 1920-01-24 | 1920-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-07-25 | 1924-01-24 | 1924-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-07-25 | 1928-01-24 | 1928-07-25 | $7700.00 | Window Closed / Lapsed |