US3044015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for transmitting a message from a protected location by radio to a distant receiver
Assignee: Individual
•
Filing: 1960-04-28
•
Granted: 1962-07-10
•
Expires: 1980-04-28
Abstract
No abstract record available.
Inventors
- 👤 Jr William A Overkamp
- 👤 Paul H Kraus
- 👤 Klingensmith Ira
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:48
CPC Classifications
G; G08; G08B; G08B25/00; G08B25/01; G08B25/012
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1927690A
Cited
US2250834A
Cited
US2340621A
Cited
US2522615A
Cited
US2868996A
Cited
US2937269A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |