US3069806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Construction set
Assignee: AG Spalding and Bros Inc
•
Filing: 1959-02-18
•
Granted: 1962-12-25
•
Expires: 1979-02-18
Abstract
No abstract record available.
Inventors
- 👤 John H Wright
- 👤 Carl V Ohlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:00
CPC Classifications
A; A63; A63H; A63H33/00; A63H33/04; A63H33/06; A63H33/067; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49922
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1580278A
Cited
US2031848A
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US2042353A
Cited
FR914466A
Cited
US2497657A
Cited
GB614245A
Cited
US2691242A
Cited
US2708329A
Cited
FR1121195A
Cited
US2871556A
Cited
US2857665A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |