US2952380A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vessel support structure
Assignee: Lox Equipment Co
•
Filing: 1957-11-26
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Granted: 1960-09-13
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Expires: 1977-11-26
Abstract
No abstract record available.
Inventors
- 👤 Robert S Hampton
- 👤 Josephian William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:36
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/08; F17C13/086; F17C2203/00; F17C2203/01
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) | 1963-09-13 | 1964-03-14 | 1964-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-13 | 1968-03-14 | 1968-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-13 | 1972-03-14 | 1972-09-13 | $7700.00 | Window Closed / Lapsed |