US3457462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mobile distribution box for controlling electric motors of machines and mechanisms in explosion hazardous premises
Assignee: ALEXANDR PORFIRIEVICH KOTLYARE
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Filing: 1967-03-14
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Granted: 1969-07-22
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Expires: 1987-03-14
Abstract
No abstract record available.
Inventors
- 👤 Gennady Georgievich Gargala
- 👤 Alexandr Vasilievich Kozlov
- 👤 Alexandr Porfirie Kotlyarevsky
- 👤 Vitaly Ivanovich Koshman
- 👤 Svyatoslav Semenovic Nedosekov
- 👤 Mikhail Ilich Posternak
- 👤 Jury Fedorovich Sameljuk
- 👤 Valentin Alexeevich Khorunzhy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:43
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/02; H01H9/04; H01H9/042; H01H9/045; H02; H02B; H02B1/00; H02B1/26; H02B1/52; H02B1/28
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) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |