US2661394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burglary and fire alarm
Assignee: Individual
•
Filing: 1951-08-16
•
Granted: 1953-12-01
•
Expires: 1971-08-16
Abstract
No abstract record available.
Inventors
- 👤 Carsten J Munch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:35
CPC Classifications
H; H04; H04M; H04M11/00; H04M11/04; H04M11/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1614275A
Cited
US2099913A
Cited
US1976296A
Cited
US2161525A
Cited
US2479621A
Cited
US2469278A
Cited
US2498613A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-30 | 1957-06-01 | 1957-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-30 | 1961-06-01 | 1961-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-30 | 1965-06-01 | 1965-12-01 | $7700.00 | Window Closed / Lapsed |