Patent US4046437A successfully refreshed from Google Patents.
US3143357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gliding vehicle for use on snow, ice or water
Assignee: Individual
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Filing: 1962-04-18
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Granted: 1964-08-04
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Expires: 1982-04-18
Abstract
No abstract record available.
Inventors
- 👤 Krupnik Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:26
CPC Classifications
A; A47; A47C; A47C15/00; A47C15/004; A47C15/006; B; B62; B62B; B62B15/00; B62B15/006; B63; B63B; B63B34/00; B63B34/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A VEHICLE OF THE CHARACTER DESCRIBED COMPRISING A BODY-SUPPORTING PLATFORM, SAID PLATFORM COMPRISING A FRAME INCLUDING SPACED SIDE MEMBERS, A FABRIC WEB SUPPORTED BETWEEN SAID SPACED FRAME SIDE MEMBERS, A PAIR OF FLOATS, EACH COMPRISING A PNEUMATIC CUSHION FORMED WITH A SMOOTH-SURFACED, SURFACE-CONTACTING BOTTOM SECTION, MEANS SUPPORTING ONE OF SAID FLOATS AT ONE END OF SAID PLATFORM COMPRISING SPACED, RIGID ROD ELEMENTS SECURED TRANSVERSELY OF SAID PLATFORM AT ONE END THEREOF, AND MEANS PROVIDED ON THE UPPER PORTION OF SAID FLOAT ENGAGEABLE OVER SAID SPACED ROD ELEMENTS, A SECOND PAIR OF ROD ELEMENTS, AND MEANS CONNECTING SAID ROD ELEMENTS TO ONE ANOTHER, SAID SECOND PAIR OF ROD ELEMENTS PIVOTALLY SUPPORTED AT THE OPPOSED END OF SAID PLATFORM FOR ROTATION IN A PLANE PERPENDICULAR TO SAID PLATFORM, SAID SECOND FLOAT HAVING MEANS PROVIDED ON ITS UPPER PORTION ENGAGEABLE OVER SAID SECOND PAIR OF ROD ELEMENTS.
Claim 2
Dependent Claim
144 words
A VEHICLE OF THE CHARACTER DESCRIBED COMPRISING A BODY-SUPPORTING PLATFORM, SAID PLATFORM COMPRISING A FRAME INCLUDING SPACED SIDE MEMBERS, A FABRIC WEB SUPPORTED BETWEEN SAID SPACED FRAME SIDE MEMBERS, A PAIR OF FLOATS, EACH COMPRISING A PNEUMATIC CUSHION FORMED WITH A SMOOTH-SURFACED, SURFACE-CONTACTING BOTTOM SECTION, MEANS SUPPORTING ONE OF SAID FLOATS AT ONE END OF SAID PLATFORM COMPRISING SPACED, RIGID ROD ELEMENTS SECURED TRANSVERSELY OF SAID PLATFORM AT ONE END THEREOF, AND MEANS PROVIDED ON THE UPPER PORTION OF SAID FLOAT ENGAGEABLE OVER SAID SPACED ROD ELEMENTS, A SECOND PAIR OF ROD ELEMENTS, AND MEANS CONNECTING SAID ROD ELEMENTS TO ONE ANOTHER, SAID SECOND PAIR OF ROD ELEMENTS PIVOTALLY SUPPORTED AT THE OPPOSED END OF SAID PLATFORM FOR ROTATION IN A PLANE PERPENDICULAR TO SAID PLATFORM, SAID SECOND FLOAT HAVING MEANS PROVIDED ON ITS UPPER PORTION ENGAGEABLE OVER SAID SECOND PAIR OF ROD ELEMENTS.
References Cited (Backward Citations)
DE310317C
Cited
DE237187C
Cited
US981360A
Cited
US1345825A
Cited
US1655228A
Cited
US2826423A
Cited
US2974331A
Cited
AT218879B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |