US3098533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric discharge impulse submarine drivers
Assignee: Individual
•
Filing: 1960-07-05
•
Granted: 1963-07-23
•
Expires: 1980-07-05
Abstract
No abstract record available.
Inventors
- 👤 Ostrom Cyrus Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:28
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/12; E21B7/124; E21B7/1245; E21B25/00; E21B25/18
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
83 words
AN ELECTRIC DISCHARGE IMPULSE SUBMARINE IMMERSIBLE IN A BODY OF WATER COMPRISING ELECTRODES HAVING ADJACENT, BUT SPACED-APART, END PORTIONS FORMING A SPARK GAP, A CONDENSER IN CLOSE PROXIMITY TO SAID ELECTRODES, HEAVY, SHORT LEADS CONNECTING SAID ELECTRODES AND SAID CONDENSER, MEANS FOR CHARGING SAID CONDENSER AND FOR EFFECTING DISCHARGE THEREOF THROUGH SAID SPARK GAP, AN ELONGATED MEMBER DRIVABLE LENGTHWISE INTO THE BOTTOM OF SUCH BODY OF WATER, HAVING ONE END THEREOF LOCATED ADJACENT TO SAID SPARK GAP AND ON OPPOSITE WATER BODY PENE-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |