US2974441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for the remote control of toys
Assignee: Individual
•
Filing: 1957-03-01
•
Granted: 1961-03-14
•
Expires: 1977-03-01
Abstract
No abstract record available.
Inventors
- 👤 Denner Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:41
CPC Classifications
A; A63; A63H; A63H30/00; A63H30/02; A63H30/04; A63H17/00; A63H17/26; A63H17/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1279831A
Cited
US1932119A
Cited
US2476329A
Cited
FR998830A
Cited
FR1038009A
Cited
FR1066595A
Cited
US2773221A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-13 | 1964-09-12 | 1965-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-13 | 1968-09-12 | 1969-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-13 | 1972-09-12 | 1973-03-14 | $7700.00 | Window Closed / Lapsed |