Patent US3073272A successfully refreshed from Google Patents.
US3073272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indicating assembly for container
Assignee: Individual
•
Filing: 1962-03-30
•
Granted: 1963-01-15
•
Expires: 1982-03-30
Abstract
No abstract record available.
Inventors
- 👤 Swallert Sven Arild
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:49
CPC Classifications
B; B65; B65D; B65D90/00; B65D90/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A FLEXIBLE FLUID CONTAINER ADAPTED TO BE IMMERSED IN A BODY OF WATER AND TO CONTAIN LIQUID HAVING A SPECIFIC WEIGHT LESS THAN THAT OF WATER, SAID CONTAINER INCLUDING BALLAST MEANS TO INSURE IMMERSION AND AN INDICATING ASSEMBLY FOR SAID CONTAINER, SAID ASSEMBLY COMPRISING, IN COMBINATION, A UNIT DEFINED BY A CYLINDER AND A PISTON SLIDABLE THEREIN AND HAVING A PISTON ROD EXTENDING FROM
Claim 2
Dependent Claim
64 words
A FLEXIBLE FLUID CONTAINER ADAPTED TO BE IMMERSED IN A BODY OF WATER AND TO CONTAIN LIQUID HAVING A SPECIFIC WEIGHT LESS THAN THAT OF WATER, SAID CONTAINER INCLUDING BALLAST MEANS TO INSURE IMMERSION AND AN INDICATING ASSEMBLY FOR SAID CONTAINER, SAID ASSEMBLY COMPRISING, IN COMBINATION, A UNIT DEFINED BY A CYLINDER AND A PISTON SLIDABLE THEREIN AND HAVING A PISTON ROD EXTENDING FROM
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |