US2826861A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spinning toy
Assignee: WILLARD A BACK
•
Filing: 1955-10-07
•
Granted: 1958-03-18
•
Expires: 1975-10-07
Abstract
No abstract record available.
Inventors
- 👤 Edwin G Hoffstadt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:29
CPC Classifications
A; A63; A63F; A63F7/00; A63F7/22; A63F7/36; A63F7/38; A63F7/382; A63F2250/00; A63F2250/48; A63F2250/485; A63F9/00; A63F9/04; A63F9/0413
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US442675A
Cited
US600967A
Cited
US1485577A
Cited
US1527116A
Cited
US1826944A
Cited
US2412519A
Cited
US2664667A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-17 | 1961-09-16 | 1962-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-17 | 1965-09-16 | 1966-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-17 | 1969-09-16 | 1970-03-18 | $7700.00 | Window Closed / Lapsed |