US2475930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Kaleidoscopic apparatus for projecting symmetrical designs
Assignee: JAMES O WESLEY
•
Filing: 1948-06-04
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Granted: 1949-07-12
•
Expires: 1968-06-04
Abstract
No abstract record available.
Inventors
- 👤 Huey G Wesley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:46
CPC Classifications
G; G09; G09F; G09F19/00; G09F19/12; G09F19/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1449122A
Cited
US1712431A
Cited
US1914562A
Cited
US1966531A
Cited
GB399521A
Cited
US2038909A
Cited
US2401506A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |