US3305045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boat ladder
Assignee: Individual
•
Filing: 1964-11-02
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Granted: 1967-02-21
•
Expires: 1984-11-02
Abstract
No abstract record available.
Inventors
- 👤 Schlecht Raymond Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 06:46
CPC Classifications
B; B63; B63B; B63B27/00; B63B27/14; B63B2027/141
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A BOAT LADDER COMPRISING: A PAIR OF PARALLEL SPACED LADDER RAILS; AT LEAST ONE SELF-LEVELING SWING TYPE STEP ROTATABLY SUPPORTED BETWEEN SAID RAILS; A PIVOT ARM ATTACHED TO SAID RAILS AND EXTENDING SUBSTANTIALLY PERPENDICULAR THEREFROM; FULCRUM MEANS TO PIVOTALLY SUPPORT SAID PIVOT ARM TO A BOAT WHEREBY SAID LADDER IS PIVOTAL FROM A SUBSTANTIALLY VERTICAL POSITION TO A SUBSTANTIALLY HORIZONTAL POSITION; AN EXTENSION HANDLE TELESCOPICALLY EXTENDABLE FROM SAID LADDER RAILS TO INCREASE THE LEVERAGE ARM FROM SAID FULCRUM; AND RELEASABLE LATCH MEANS TO LOCK EACH OF SAID HANDLES WITH RESPECT TO ITS RAIL AT A DESIRED POSITION.
Claim 2
Dependent Claim
97 words
A BOAT LADDER COMPRISING: A PAIR OF PARALLEL SPACED LADDER RAILS; AT LEAST ONE SELF-LEVELING SWING TYPE STEP ROTATABLY SUPPORTED BETWEEN SAID RAILS; A PIVOT ARM ATTACHED TO SAID RAILS AND EXTENDING SUBSTANTIALLY PERPENDICULAR THEREFROM; FULCRUM MEANS TO PIVOTALLY SUPPORT SAID PIVOT ARM TO A BOAT WHEREBY SAID LADDER IS PIVOTAL FROM A SUBSTANTIALLY VERTICAL POSITION TO A SUBSTANTIALLY HORIZONTAL POSITION; AN EXTENSION HANDLE TELESCOPICALLY EXTENDABLE FROM SAID LADDER RAILS TO INCREASE THE LEVERAGE ARM FROM SAID FULCRUM; AND RELEASABLE LATCH MEANS TO LOCK EACH OF SAID HANDLES WITH RESPECT TO ITS RAIL AT A DESIRED POSITION.
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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |