US3292728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detection of instants of detonation of explosive charges
Assignee: ExxonMobil Upstream Research Co
•
Filing: 1965-01-25
•
Granted: 1966-12-20
•
Expires: 1985-01-25
Abstract
No abstract record available.
Inventors
- 👤 Benjamin F Ehrlich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:40
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/24; G01V1/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
THE METHOD OF TRANSMITTING TIME INFORMATION FROM ONE LOCATION TO ANOTHER COMPRISING DETONATING AN EXPLOSIVE CHARGE AT ONE LOCATION, AND, AT SAID OTHER LOCATION, DETECTING AND RECORDING AS A TIME RECORD TRACE RADIO FREQUENCY WAVES PRODUCED BY SAID EXPLOSIVE CHARGE UPON DETONATION THEREOF AT SAID OTHER LOCATION.
Claim 2
Independent Claim
47 words
THE METHOD OF TRANSMITTING TIME INFORMATION FROM ONE LOCATION TO ANOTHER COMPRISING DETONATING AN EXPLOSIVE CHARGE AT ONE LOCATION, AND, AT SAID OTHER LOCATION, DETECTING AND RECORDING AS A TIME RECORD TRACE RADIO FREQUENCY WAVES PRODUCED BY SAID EXPLOSIVE CHARGE UPON DETONATION THEREOF AT SAID OTHER LOCATION.
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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |