US3487352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plug-type connection
Assignee: ALEXANDR VLADIMIROVICH MARTSIN
•
Filing: 1967-05-18
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Granted: 1969-12-30
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Expires: 1987-05-18
Abstract
No abstract record available.
Inventors
- 👤 Jury Sergeevich Putyato
- 👤 Arkady Markovich Medvedenko
- 👤 Alexandr Vladimi Martsinkevich
- 👤 Evstafy Borisovich Ashurkov
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:55
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/02; H01R13/193
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE17988C
Cited
FR1078627A
Cited
US2770788A
Cited
GB872171A
Cited
DE1127977B
Cited
US3155446A
Cited
US3215973A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |