Patent US2909867A successfully refreshed from Google Patents.
US2909867A
Expired / Lapsed
US
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Constructional toy
Assignee: Individual
•
Filing: 1956-02-27
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Granted: 1959-10-27
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Expires: 1976-02-27
Abstract
No abstract record available.
Inventors
- 👤 William J Hobson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:24
CPC Classifications
A; A63; A63H; A63H33/00; A63H33/04; A63H33/06; A63H33/065; Y; Y10; Y10T; Y10T403/00; Y10T403/34; Y10T403/341; Y10T403/344; Y10T403/345; Y10T403/349
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1212700A
Cited
US1667256A
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US2063895A
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US2218175A
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US2443249A
Cited
US2715537A
Cited
US2780484A
Cited
US2765581A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |