US2589952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Constructional toy element
Assignee: Individual
•
Filing: 1946-03-07
•
Granted: 1952-03-18
•
Expires: 1966-03-07
Abstract
No abstract record available.
Inventors
- 👤 Mercier Robert Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:10
CPC Classifications
A; A63; A63H; A63H33/00; A63H33/04; A63H33/10; A63H33/102; F; F16; F16B; F16B2/00; F16B2/20; F16B2/22; F16B2/24; F16B2/241; F16B7/00; F16B7/04; F16B7/044; F16B7/048; F16B7/0493; F16B7/10; F16B7/105; Y; Y10; Y10T; Y10T403/00; Y10T403/71; Y10T403/7147
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1009508A
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US1066809A
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US1107075A
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US1420670A
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US1973536A
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US2112247A
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US2179415A
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US2354806A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |