Patent EP0391369B1 successfully refreshed from Google Patents.
US3496393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Step-by-step electric motor with damper for secondary electric clock
Assignee: Individual
•
Filing: 1968-10-28
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Granted: 1970-02-17
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Expires: 1988-10-28
Abstract
No abstract record available.
Inventors
- 👤 Mark Petrovich Reifman
- 👤 Lev Simkhovich Gendelman
- 👤 Vladimir Timofeevich Lugovkin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:15
CPC Classifications
G; G04; G04C; G04C13/00; G04C13/08; G04C13/10; G04C13/11; H; H02; H02K; H02K37/00; H02K37/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2212192A
Cited
US3032670A
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US3119941A
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US3197659A
Cited
US3164734A
Cited
US3308314A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |