Patent US3340692A successfully refreshed from Google Patents.
US3340692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of erecting supports and roofs over water for liquified gas storage
Assignee: Individual
•
Filing: 1965-10-28
•
Granted: 1967-09-12
•
Expires: 1985-10-28
Abstract
No abstract record available.
Inventors
- 👤 Clair John C St
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:24
CPC Classifications
F; F17; F17C; F17C3/00; F17C3/005; F17C2209/00; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/033; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A METHOD OF ERECTING A SUPPORT FOR A ROOF FOR A STORAGE ZONE, IN WHICH LIQUIFIED NATURAL GAS IS LATER STORED AND SUPPORTED BY EARTH CONTAINING GROZEN WATER WHICH COMPRISES: PUTTING WATER IN THE STORAGE ZONE, ERECTING A FLEXIBLE STRUCTURE OF POLES AND WIRES IN THE STORAGE ZONE BY THE HELP OF A MAN IN A BOAT ON THE WATER, RESTING A ROOF ON TOP OF THE FLEXIBLE STRUCTURE AND REMOVING WATER FROM THE STORAGE ZONE AFTER THE FLEXIBLE STRUCTURE IS ERECTED.
Claim 2
Independent Claim
82 words
A METHOD OF ERECTING A SUPPORT FOR A ROOF FOR A STORAGE ZONE, IN WHICH LIQUIFIED NATURAL GAS IS LATER STORED AND SUPPORTED BY EARTH CONTAINING GROZEN WATER WHICH COMPRISES: PUTTING WATER IN THE STORAGE ZONE, ERECTING A FLEXIBLE STRUCTURE OF POLES AND WIRES IN THE STORAGE ZONE BY THE HELP OF A MAN IN A BOAT ON THE WATER, RESTING A ROOF ON TOP OF THE FLEXIBLE STRUCTURE AND REMOVING WATER FROM THE STORAGE ZONE AFTER THE FLEXIBLE STRUCTURE IS ERECTED.
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) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |