Patent US728416A successfully refreshed from Google Patents.
Patent US3131593A successfully refreshed from Google Patents.
US3131593A
Expired / Lapsed
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Kaleidoscope
Assignee: Individual
•
Filing: 1961-12-27
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Granted: 1964-05-05
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Expires: 1981-12-27
Abstract
No abstract record available.
Inventors
- 👤 Harlow B Grow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:34
CPC Classifications
G; G02; G02B; G02B27/00; G02B27/02; G02B27/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
215 words
A KALEIDOSCOPE INCLUDING A CYLINDRICAL CASING HAVING AN EYE PIECE AT ONE END AND A CAPSULE CONTAINING FRAGMENTS AT THE OTHER END, AND A MIRROR ASSEMBLY EXTENDING LONGITUDINALLY WITHIN THE CYLINDRICAL CASING FROM THE EYE PIECE TO THE CAPSULE, SAID MIRROR ASSEMBLY COMPRISING A STRIP OF SHEET MATERIAL HAVING A REFLECTING SURFACE ON ONE FACE SIDE AND HAVING A LONGITUDINAL MEDIAN FOLD TO PROVIDE WINGS DIVERGING FROM SAID FOLD ON THE REFLECTING FACE SIDE AND FORMING ANGULARLY FACING MIRROR PORTIONS HAVING FREE LONGITUDINAL OUTER EDGES PROVIDING PARALLEL SEATS SPACED APART FROM EACH OTHER IN CORRESPONDENCE WITH THE WIDTH OF SAID MIRROR PORTIONS, A SECOND STRIP OF SHEET MATERIAL HAVING A SIMILAR REFLECTING SURFACE WITH MARGINAL SIDES OF THE REFLECTING SURFACE THEREOF LAPPING SAID SEATS TO PROVIDE A THIRD MIRROR PORTION OF THE SIZE OF THE FIRST MIRROR PORTIONS TO COOPERATE WITH THE FIRST MIRROR PORTIONS IN REFLECTING IMAGES OF SAID FRAGMENTS IN A SYMMETRICAL PATTERN ABOUT THE AXIS OF THE CYLINDRICAL CASING, AND DISK MEMBERS CLOSELY FITTING TRANSVERSELY WITHIN THE CYLINDRICAL CASING NEAR SAID EYE PIECE AND CAPSULE RESPECTIVELY WITH OUTER PERIPHERAL PORTIONS CLOSELY ENGAGING THE CYLINDRICAL CASING AND HAVING INNER EDGES ENGAGING SAID STRIPS OF SHEET MATERIAL TO HOLD THE MIRROR PORTIONS THEREOF IN FIXED SYMMETRICAL ASSEMBLY ABOUT THE AXIS OF SAID CYLINDRICAL CASING.
Claim 2
Dependent Claim
215 words
A KALEIDOSCOPE INCLUDING A CYLINDRICAL CASING HAVING AN EYE PIECE AT ONE END AND A CAPSULE CONTAINING FRAGMENTS AT THE OTHER END, AND A MIRROR ASSEMBLY EXTENDING LONGITUDINALLY WITHIN THE CYLINDRICAL CASING FROM THE EYE PIECE TO THE CAPSULE, SAID MIRROR ASSEMBLY COMPRISING A STRIP OF SHEET MATERIAL HAVING A REFLECTING SURFACE ON ONE FACE SIDE AND HAVING A LONGITUDINAL MEDIAN FOLD TO PROVIDE WINGS DIVERGING FROM SAID FOLD ON THE REFLECTING FACE SIDE AND FORMING ANGULARLY FACING MIRROR PORTIONS HAVING FREE LONGITUDINAL OUTER EDGES PROVIDING PARALLEL SEATS SPACED APART FROM EACH OTHER IN CORRESPONDENCE WITH THE WIDTH OF SAID MIRROR PORTIONS, A SECOND STRIP OF SHEET MATERIAL HAVING A SIMILAR REFLECTING SURFACE WITH MARGINAL SIDES OF THE REFLECTING SURFACE THEREOF LAPPING SAID SEATS TO PROVIDE A THIRD MIRROR PORTION OF THE SIZE OF THE FIRST MIRROR PORTIONS TO COOPERATE WITH THE FIRST MIRROR PORTIONS IN REFLECTING IMAGES OF SAID FRAGMENTS IN A SYMMETRICAL PATTERN ABOUT THE AXIS OF THE CYLINDRICAL CASING, AND DISK MEMBERS CLOSELY FITTING TRANSVERSELY WITHIN THE CYLINDRICAL CASING NEAR SAID EYE PIECE AND CAPSULE RESPECTIVELY WITH OUTER PERIPHERAL PORTIONS CLOSELY ENGAGING THE CYLINDRICAL CASING AND HAVING INNER EDGES ENGAGING SAID STRIPS OF SHEET MATERIAL TO HOLD THE MIRROR PORTIONS THEREOF IN FIXED SYMMETRICAL ASSEMBLY ABOUT THE AXIS OF SAID CYLINDRICAL CASING.
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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |