US2923550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Illuminated jig-saw puzzle
Assignee: Individual
•
Filing: 1957-03-21
•
Granted: 1960-02-02
•
Expires: 1977-03-21
Abstract
No abstract record available.
Inventors
- 👤 Blackman Toby
- 👤 Chapman Joan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:23
CPC Classifications
A; A63; A63F; A63F9/00; A63F9/06; A63F9/10; A63F2009/1061; A63F2009/1066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2037966A
Cited
US2023676A
Cited
US2101302A
Cited
US2412180A
Cited
US2539077A
Cited
US2505230A
Cited
US2612708A
Cited
US2795893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |