US3438191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sockets for spindles
Assignee: Individual
•
Filing: 1967-06-05
•
Granted: 1969-04-15
•
Expires: 1987-06-05
Abstract
No abstract record available.
Inventors
- 👤 Viktor Sergeevich Kuznetsov
- 👤 Evgeny Ivanovich Belyaev
- 👤 Tatiana Petrovna Tereschenko
- 👤 Nikolai Alexandrovic Pechnikov
- 👤 Vyacheslav Fedorovic Taschilin
- 👤 Yakov Ilich Korityssky
- 👤 Igor Vladimirovich Kornev
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:17
CPC Classifications
D; D01; D01H; D01H7/00; D01H7/02; D01H7/88
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2017957A
Cited
US2781629A
Cited
US2781628A
Cited
SU117880A1
Cited
US3019591A
Cited
US3153314A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |