US2665609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Projecting kaleidoscopic mechanism for creating and projecting designs
Assignee: Individual
•
Filing: 1951-10-01
•
Granted: 1954-01-12
•
Expires: 1971-10-01
Abstract
No abstract record available.
Inventors
- 👤 Olive J Gilluly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:00
CPC Classifications
G; G09; G09F; G09F19/00; G09F19/12; G09F19/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CH73389A
Cited
US1449122A
Cited
US1712431A
Cited
GB235994A
Cited
FR606212A
Cited
US1990867A
Cited
US2173162A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |