Patent US3532914A successfully refreshed from Google Patents.
US3532914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integral governor for electric motor
Assignee: Mattel Inc
•
Filing: 1968-06-17
•
Granted: 1970-10-06
•
Expires: 1988-06-17
Abstract
No abstract record available.
Inventors
- 👤 Richard Shih-Teng Chang
- 👤 Edmund E Landsinger
- 👤 John W Ryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:22
CPC Classifications
H; H02; H02K; H02K11/00; H02K11/20; H02K11/21; H02K11/23
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2733395A
Cited
US1011774A
Cited
US2057525A
Cited
US2812454A
Cited
US2814770A
Cited
US3278777A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |