US3077944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic sound source
Assignee: Individual
•
Filing: 1960-06-28
•
Granted: 1963-02-19
•
Expires: 1980-06-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Louis R Padberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:09
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/02; G01V1/133; G01V1/40; G01V1/52
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
82 words
A HIGH AMPLITUDE, SHORT PULSE, NARROW BAND LOW FREQUENCY UNDERWATER SOUND GENERATOR COMPRISING A SPHERICAL ELASTIC ENCLOSURE HAVING A DIAMETER "D" IN INCHES WHEN INFLATED TO ITS ELASTIC LIMIT, MEANS SUPPORTING SAID ENCLOSURE FOR SUBMERGING SAID ENCLOSURE TO A PREDETERMINED DEPTH "P" FEET AND MEANS CONNECTED TO SAID ENCLOSURE FOR INFLATING SAID ENCLOSURE UNDERWATER ISOTHERMALLY AT SAID DEPTH OF "P" FEET TO ITS ELASTIC LIMIT AND RUPTURING THE INFLATED ENCLOSURE, SO CONSTRUCTED AND ARRANGED THAT A SOUND PULSE HAVING A FREQUENCY OF
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) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |