US3490313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multidisc two-row planetary friction progressive transmission
Assignee: Individual
•
Filing: 1967-08-23
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Granted: 1970-01-20
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Expires: 1987-08-23
Abstract
No abstract record available.
Inventors
- 👤 Nikolai Alexandrovich Astrov
- 👤 Vyacheslav Vasilievich Egorkin
- 👤 Albert Nikolaevich Klemin
- 👤 Vladimir Ivanovich Leonov
- 👤 Vladimir Alexeevich Petrushev
- 👤 Nikolai Georgievich Speransky
- 👤 Igor Alexandrovich Strigin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:17
CPC Classifications
F; F16; F16H; F16H15/00; F16H15/48; F16H15/50; F16H15/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |