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US3112504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water shoes
Assignee: Individual
•
Filing: 1961-10-20
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Granted: 1963-12-03
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Expires: 1981-10-20
Abstract
No abstract record available.
Inventors
- 👤 Charles F Carlton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:19
CPC Classifications
B; B63; B63B; B63B1/00; B63B1/02; B63B1/10; B63B1/12; B63B1/121; B63B34/00; B63B34/50; B63B34/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
IN A DEVICE OF THE CHARACTER DESCRIBED, A PAIR OF PARALLEL LATERALLY SPACED ELONGATED FLOATS HAVING FORWARD AND REAR ENDS, THE FLOATS BEING FORMED WITH CENTERED LONGITUDINAL CHANNELS IN THEIR UNDERSIDES EXTENDING TO SAID ENDS, LONGITUDINALLY SPACED VANES PIVOTED IN THE CHANNELS TO SWING FROM HORIZONTAL RETRACTED GLIDE POSITIONS WITHIN THE CHANNELS TO PENDANT PROPELLING POSITIONS EXTENDING BELOW THE FLOATS, SAID FLOATS HAVING UPPER SURFACES, FORWARD AND REAR SOCKET CLAMPS MOUNTED ON SAID UPPER SURFACES ADJACENT TO SAID FORWARD AND REAR ENDS, SAID CLAMPS HAVING FACING BALL SOCKETS, AND COUPLING BARS EXTENDING BETWEEN THE FLOATS AND HAVING BALL JOINTS ON THEIR ENDS CLAMPED IN THE BALL SOCKETS, SAID FLOATS HAVING TRANSVERSE SLEEVES ON THEIR FORWARD ENDS, AND A TOW MEMBER HAVING A TRANSVERSE BAR HAVING ENDS JOURNALED IN SAID SLEEVES.
Claim 2
Dependent Claim
130 words
IN A DEVICE OF THE CHARACTER DESCRIBED, A PAIR OF PARALLEL LATERALLY SPACED ELONGATED FLOATS HAVING FORWARD AND REAR ENDS, THE FLOATS BEING FORMED WITH CENTERED LONGITUDINAL CHANNELS IN THEIR UNDERSIDES EXTENDING TO SAID ENDS, LONGITUDINALLY SPACED VANES PIVOTED IN THE CHANNELS TO SWING FROM HORIZONTAL RETRACTED GLIDE POSITIONS WITHIN THE CHANNELS TO PENDANT PROPELLING POSITIONS EXTENDING BELOW THE FLOATS, SAID FLOATS HAVING UPPER SURFACES, FORWARD AND REAR SOCKET CLAMPS MOUNTED ON SAID UPPER SURFACES ADJACENT TO SAID FORWARD AND REAR ENDS, SAID CLAMPS HAVING FACING BALL SOCKETS, AND COUPLING BARS EXTENDING BETWEEN THE FLOATS AND HAVING BALL JOINTS ON THEIR ENDS CLAMPED IN THE BALL SOCKETS, SAID FLOATS HAVING TRANSVERSE SLEEVES ON THEIR FORWARD ENDS, AND A TOW MEMBER HAVING A TRANSVERSE BAR HAVING ENDS JOURNALED IN SAID SLEEVES.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |