US3510700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for feeding coolant to hollow conductors of stator bar winding in electric machines
Assignee: Individual
•
Filing: 1969-02-24
•
Granted: 1970-05-05
•
Expires: 1989-02-24
Abstract
No abstract record available.
Inventors
- 👤 Nikolai Grigorievic Grinchenko
- 👤 Oleg Borisovich Gradov
- 👤 Vasily Semenovich Kildishev
- 👤 Vladimir Vasilievic Kramarenko
- 👤 Moisei Abramovich Katsnelson
- 👤 Ivan Eliseevich Makogonenko
- 👤 Mikhailovich Rudnitsky
- 👤 Lazar Yankelevich Stanislavsky
- 👤 Mikhail Iosifovich Semernin
- 👤 Alexandr Abramovic Chigirinsky
- 👤 Andrei Leontievich Shulga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:28
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/04; H02K3/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1448700A
Cited
US1853646A
Cited
US3046424A
Cited
US3320447A
Cited
US3398304A
Cited
US3363122A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |