Patent US3178736A successfully refreshed from Google Patents.
US3178736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deep submergence type buoys
Assignee: Individual
•
Filing: 1963-08-02
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Granted: 1965-04-20
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Expires: 1983-08-02
Abstract
No abstract record available.
Inventors
- 👤 Gross Seymour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:00
CPC Classifications
B; B63; B63B; B63B3/00; B63B3/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A SUBSURFACE DEVICE FOR SUPPORTING OCEANOGRAPHIC AND SCIENTIFIC INSTRUMENTS WHILE SUBMERGED AT LARGE DEPTHS IN THE OCEAN, WHICH COMPRISES: (A) A HOUSING WITH ONE CHAMBER FOR CARRYING SUCH INSTRUMENTS AND HAVING ANOTHER AND SEPARATE CHAMBER OPEN TO THE FLOODED BY THE SEA, AND (B) A PLURALITY OF SEPARATE FLOAT ELEMENTS CONFINED IN SAID ANOTHER CHAMBER AND FORMED OF POLYPROPYLENE.
Claim 2
Dependent Claim
59 words
A SUBSURFACE DEVICE FOR SUPPORTING OCEANOGRAPHIC AND SCIENTIFIC INSTRUMENTS WHILE SUBMERGED AT LARGE DEPTHS IN THE OCEAN, WHICH COMPRISES: (A) A HOUSING WITH ONE CHAMBER FOR CARRYING SUCH INSTRUMENTS AND HAVING ANOTHER AND SEPARATE CHAMBER OPEN TO THE FLOODED BY THE SEA, AND (B) A PLURALITY OF SEPARATE FLOAT ELEMENTS CONFINED IN SAID ANOTHER CHAMBER AND FORMED OF POLYPROPYLENE.
References Cited (Backward Citations)
US1772709A
Cited
US1828694A
Cited
US2369006A
Cited
US2374372A
Cited
US2857873A
Cited
US3110914A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |