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Patent US3115833A successfully refreshed from Google Patents.
US3115833A
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US
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Acoustical doppler firing device
Assignee: Individual
•
Filing: 1944-01-28
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Granted: 1963-12-31
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Expires: 1964-01-28
Abstract
No abstract record available.
Inventors
- 👤 Harry H Hall
- 👤 Robert P Gutterman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:10
CPC Classifications
F; F42; F42B; F42B22/00; F42B22/04; F42C; F42C13/00; F42C13/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
39 words
IN AN EXPLOSIVE WEAPON, MEANS CARRIED BY THE WEAPON FOR CONTINUOUSLY TRANSMITTING A HIGH FREQUENCY SIGNAL, MEANS FOR RECEIVING SIGNALS REFLECTED FROM A REFLECTING SURFACE, MEANS FOR PRODUCING A HETERODYNE SIGNAL CORRESPONDING TO THE FREQUENCY DIFFERENCE BETWEEN SAID TRANS-
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) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |