US3451681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Illuminated puzzle
Assignee: ANTHONY M ROSSETTI
•
Filing: 1966-08-29
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Granted: 1969-06-24
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Expires: 1986-08-29
Abstract
No abstract record available.
Inventors
- 👤 Anthony M Rossetti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:18
CPC Classifications
A; A63; A63F; A63F9/00; A63F9/06; A63F9/10; A63F9/0613; A63F2009/0615; A63F9/24; A63F2009/2448; A63F2009/245; A63F2009/2451; A63F9/1044; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24149; Y10T428/24157
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CH123245A
Cited
GB424870A
Cited
US2149363A
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GB633951A
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FR982137A
Cited
US2902787A
Cited
US3178332A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |