Patent US5147497A successfully refreshed from Google Patents.
Patent US3580580A successfully refreshed from Google Patents.
US3580580A
Expired / Lapsed
US
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Aerial spinning disc
Assignee: Individual
•
Filing: 1969-09-24
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Granted: 1971-05-25
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Expires: 1989-09-24
Abstract
Abstract A spinning aerial device or ''''flying saucer''''. It is a disc with a centered circular opening and has a plurality of concentric sections including an annular body section with downwardly extending flanges formed along the inner and outer edges of said body section.
Inventors
- 👤 John D Wark
- 👤 Peter Schladermundt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:52
CPC Classifications
A; A63; A63H; A63H33/00; A63H33/18
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
88 words
A spinning aerial device comprising a disc with a centered circular opening and comprising a plurality of concentric sections including an annular ringlike central body section whose upper face is generally flat in radial section and inclined downwardly towards its outer edge at an angle of between 5* and 20* from a plane of its rotation, a downwardly extending flange formed along the inner and outer edge of said body section, each lying at an angle of more than 90* to the general plane of said body section.
Claim 2
Dependent Claim
88 words
A spinning aerial device comprising a disc with a centered circular opening and comprising a plurality of concentric sections including an annular ringlike central body section whose upper face is generally flat in radial section and inclined downwardly towards its outer edge at an angle of between 5* and 20* from a plane of its rotation, a downwardly extending flange formed along the inner and outer edge of said body section, each lying at an angle of more than 90* to the general plane of said body section.
Claim 3
Dependent Claim
21 words
The device as claimed in claim 1 wherein the inner peripheral edge of the inner flange has a strengthening bead thereon.
Claim 4
Dependent Claim
21 words
The device as claimed in claim 1 wherein the outer peripheral edge of the outer flange has a strengthening bead thereon.
Claim 5
Dependent Claim
17 words
The device as claimed in claim 1 wherein the disc is formed from lightweight molded plastic material.
References Cited (Backward Citations)
US1098872A
Cited
US1404132A
Cited
US1991689A
Cited
US2126245A
Cited
US2290396A
Cited
US3029077A
Cited
US3312472A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-24 | 1974-11-23 | 1975-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-24 | 1978-11-23 | 1979-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-24 | 1982-11-23 | 1983-05-25 | $7700.00 | Window Closed / Lapsed |