US3155280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Buoyant flexible container and underwater anchorage therefor
Assignee: Individual
•
Filing: 1961-09-29
•
Granted: 1964-11-03
•
Expires: 1981-09-29
Abstract
No abstract record available.
Inventors
- 👤 Harold G Quase
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:56
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/78
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
69 words
A CONTAINER FOR UNDERWATER STORAGE COMPRISING A FLEXIBLE BAG ELONGATED IN A HORIZONTAL DIRECTION AND FAIRED AT EACH END AND HAVING AN EXPANDED AND ROUNDED UPPER PORTION THE COMBINED UPPER AND LOWER BAG CONTOURS TAPERING AT ITS SIDES TO A NARROW NECK AT THE LOWER PORTION APPROXIMATING A PEAR-SHAPE IN CROSS SECTION, THE EDGES OF ONLY THE LOWER PORTION BEING SEALED TOGETHER IN A BRACKETING BEAM AT THE BOTTOM.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |