US3500084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric motor with support frame and vibration suppressors
Assignee: Sony Corp
•
Filing: 1968-03-26
•
Granted: 1970-03-10
•
Expires: 1988-03-26
Abstract
No abstract record available.
Inventors
- 👤 Sachio Ito
- 👤 Seiichi Hirano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:11
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2471812A
Cited
US2620151A
Cited
US2607819A
Cited
US3114060A
Cited
GB939508A
Cited
US3270222A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |