Patent US4964837B1 successfully refreshed from Google Patents.
US4964837B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio controlled model vehicle having coordinated sound effects system
Assignee: Individual
•
Filing: 1989-02-16
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Granted: 1993-09-14
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Expires: 2009-02-16
Abstract
No abstract record available.
Inventors
- 👤 B. Collier Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:10
CPC Classifications
A; A63; A63H; A63H17/00; A63H17/26; A63H17/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-09-13 | 1997-03-15 | 1997-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-09-13 | 2001-03-15 | 2001-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-09-13 | 2005-03-15 | 2005-09-14 | $7700.00 | Window Closed / Lapsed |