Patent US3335684A successfully refreshed from Google Patents.
US3335684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submersible watercraft
Assignee: Individual
•
Filing: 1965-01-18
•
Granted: 1967-08-15
•
Expires: 1985-01-18
Abstract
No abstract record available.
Inventors
- 👤 Trippel Hanns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:00
CPC Classifications
B; B63; B63G; B63G8/00; B63G8/40; B63G8/41; B63G8/14; B63G8/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
SUBMERSIBLE WATERCRAFT, COMPRISING A FIRST PORTION DEFINING AT LEAST ONE SEALABLE CHAMBER TO ACCOMMODATE THE CREW WHEN THE CRAFT IS SUBMERGED AND INCLUDING A HULL HAVING HORIZONTALLY SPACED OPPOSITELY OUTWARDLY DIRECTED WALLS; A SECOND PORTION CONSTITUTING AN ATTACHMENT TO SAID FIRST PORTION AND INCLUDING A PAIR OF SPACED WATER BALLAST TANKS EACH LOCATED ADJACENT ONE OF SAID HORIZONTALLY SPACED OPPOSITELY OUTWARDLY DIRECTED WALLS OUTWARDLY FROM THE RESPECTIVE WALL AND A CONNECTOR SECURED AT OPPOSITE ENDS TO SAID TANKS AND EXTENDING UNDER SAID HULL FIRMLY CONNECTING SAID SPACED TANKS; COUPLING MEANS DETACHABLY SECURING SAID FIRST PORTION TO SAID SECOND PORTION; AND OPERATING MEANS PROVIDED IN THE INTERIOR OF SAID FIRST PORTION FOR DISENGAGING SAID COUPLING MEANS SO THAT SAID FIRST PORTION MAY RESURFACE INDEPENDENTLY OF SAID SECOND PORTION IN RESPONSE TO DISENGAGEMENT OF SAID COUPLING MEANS EVEN IF SAID TANKS ARE FLOODED.
Claim 2
Dependent Claim
141 words
SUBMERSIBLE WATERCRAFT, COMPRISING A FIRST PORTION DEFINING AT LEAST ONE SEALABLE CHAMBER TO ACCOMMODATE THE CREW WHEN THE CRAFT IS SUBMERGED AND INCLUDING A HULL HAVING HORIZONTALLY SPACED OPPOSITELY OUTWARDLY DIRECTED WALLS; A SECOND PORTION CONSTITUTING AN ATTACHMENT TO SAID FIRST PORTION AND INCLUDING A PAIR OF SPACED WATER BALLAST TANKS EACH LOCATED ADJACENT ONE OF SAID HORIZONTALLY SPACED OPPOSITELY OUTWARDLY DIRECTED WALLS OUTWARDLY FROM THE RESPECTIVE WALL AND A CONNECTOR SECURED AT OPPOSITE ENDS TO SAID TANKS AND EXTENDING UNDER SAID HULL FIRMLY CONNECTING SAID SPACED TANKS; COUPLING MEANS DETACHABLY SECURING SAID FIRST PORTION TO SAID SECOND PORTION; AND OPERATING MEANS PROVIDED IN THE INTERIOR OF SAID FIRST PORTION FOR DISENGAGING SAID COUPLING MEANS SO THAT SAID FIRST PORTION MAY RESURFACE INDEPENDENTLY OF SAID SECOND PORTION IN RESPONSE TO DISENGAGEMENT OF SAID COUPLING MEANS EVEN IF SAID TANKS ARE FLOODED.
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) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |