US3220027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boat hull constructions
Assignee: Individual
•
Filing: 1964-08-17
•
Granted: 1965-11-30
•
Expires: 1984-08-17
Abstract
No abstract record available.
Inventors
- 👤 Robert G Metzner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:43
CPC Classifications
B; B63; B63B; B63B3/00; B63B3/14; B63B3/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A BOAT HULL COMPRISING: PLANK MEMBERS INCLUDING MEANS TO INTERLOCK THEM TO FORM A CONTINUOUS WATERTIGHT HULL, EACH PLANK MEMBER HVING AN INNER GROOVE EXTENDING LENGTHWISE THEREOF; A PLURALITY OF FRAMES FOR SUPPORTING SAID PLANK MEMBERS AND SHAPING THEM TO PROVIDE THE DESIRED HULL SHAPE; AND CONNECTING MEANS EXTENDING INTO SAID GROOVES FOR RIGIDLY MOUNTING SAID PLANK MEMBERS TO SAID FRAMES.
Claim 2
Dependent Claim
61 words
A BOAT HULL COMPRISING: PLANK MEMBERS INCLUDING MEANS TO INTERLOCK THEM TO FORM A CONTINUOUS WATERTIGHT HULL, EACH PLANK MEMBER HVING AN INNER GROOVE EXTENDING LENGTHWISE THEREOF; A PLURALITY OF FRAMES FOR SUPPORTING SAID PLANK MEMBERS AND SHAPING THEM TO PROVIDE THE DESIRED HULL SHAPE; AND CONNECTING MEANS EXTENDING INTO SAID GROOVES FOR RIGIDLY MOUNTING SAID PLANK MEMBERS TO SAID FRAMES.
References Cited (Backward Citations)
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Cited
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Cited
US2053843A
Cited
US2397049A
Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |