US3348513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Life-saving safety devices for twin passenger aircraft or ships
Assignee: Individual
•
Filing: 1966-04-20
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Granted: 1967-10-24
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Expires: 1986-04-20
Abstract
No abstract record available.
Inventors
- 👤 Harry S Dishart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:06
CPC Classifications
B; B63; B63C; B63C9/00; B63C9/28; B64; B64C; B64C39/00; B64C39/04; B64D; B64D11/00; B64C1/00; B64C2001/0018; B64C2001/0036
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
IN A HULL DESIGN, THE COMBINATION OF A PLURALITY OF HULL COMPONENTS IN PARALLEL SPACED APART RELATION, A CONNECTING BRIDGE BETWEEN SAID HULL COMPONENTS, MEANS FOR SELECTIVELY SEPARATING SAID BRIDGE FROM EITHER OF SAID HULL COMPONENTS, SAID BRIDGE INCLUDING A PASSAGEWAY THERETHROUGH TO PERMIT MOVEMENT OF PERSONS FROM ONE SAID HULL COMPONENT TO THE OTHER AND A SLIDABLE DOOR AT EACH END OF SAID PASSAGEWAY FOR SEALING THE END OF SAID PASSAGEWAY WHEN AN ADJACENT HULL COMPONENT HAS BEEN SEPARATED FROM SAID BRIDGE, SAID MEANS FOR SELECTIVELY SEPARATING SAID BRIDGE FROM EACH OF SAID HULL COMPONENTS COMPRISES A DOVETAIL HAVING A PAIR OF SPACED APART GROOVES, SAID GROOVES EXTENDING CONVERGINGLY TOWARD ONE END TO PERMIT SEPARATION IN ONE DIRECTION ONLY.
Claim 2
Dependent Claim
120 words
IN A HULL DESIGN, THE COMBINATION OF A PLURALITY OF HULL COMPONENTS IN PARALLEL SPACED APART RELATION, A CONNECTING BRIDGE BETWEEN SAID HULL COMPONENTS, MEANS FOR SELECTIVELY SEPARATING SAID BRIDGE FROM EITHER OF SAID HULL COMPONENTS, SAID BRIDGE INCLUDING A PASSAGEWAY THERETHROUGH TO PERMIT MOVEMENT OF PERSONS FROM ONE SAID HULL COMPONENT TO THE OTHER AND A SLIDABLE DOOR AT EACH END OF SAID PASSAGEWAY FOR SEALING THE END OF SAID PASSAGEWAY WHEN AN ADJACENT HULL COMPONENT HAS BEEN SEPARATED FROM SAID BRIDGE, SAID MEANS FOR SELECTIVELY SEPARATING SAID BRIDGE FROM EACH OF SAID HULL COMPONENTS COMPRISES A DOVETAIL HAVING A PAIR OF SPACED APART GROOVES, SAID GROOVES EXTENDING CONVERGINGLY TOWARD ONE END TO PERMIT SEPARATION IN ONE DIRECTION ONLY.
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) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |