US3385464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Immersible tank with ballast means for its transport and immersion
Assignee: D'etudes Et D'equipements D'entreprises SA Ste
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Filing: 1966-03-21
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Granted: 1968-05-28
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Expires: 1986-03-21
Abstract
No abstract record available.
Inventors
- 👤 Courbon Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:53
CPC Classifications
E; E02; E02D; E02D27/00; E02D27/01; E02D27/04; E02D27/06; B; B65; B65D; B65D88/00; B65D88/78; E02D23/00; E02D23/02; E02D29/00; E02D29/06; E04; E04H; E04H7/00; E04H7/02; E04H7/18
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) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |