US3158383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chassisless tank truck
Assignee: Ametek Inc
•
Filing: 1961-12-15
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Granted: 1964-11-24
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Expires: 1981-12-15
Abstract
No abstract record available.
Inventors
- 👤 Thomas F Anderson
- 👤 John H Lux
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:07
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/22; B60P3/2205; B60P3/2225; Y; Y10; Y10S; Y10S220/00; Y10S220/23; Y10S220/902; Y10S220/917; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49888
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
111 words
A GENERALLY CYLINDRICAL TANK SUITABLE FOR USE AS A CHASSISLESS TANK TRAILER AND HAVING A CAPACITY OF AT LEAST 1000 GALLONS, SAID TANK HAVING SUFFICIENT STRENGTH TO BE SUPPORTED ON A PAIR OF CRADLES LOCATED AT OR NEAR ITS ENDS, THE TANK BEING OF PLURAL SHELL CONSTRUCTION, SAID SHELLS INCLUDING A UNITARY INNER CORROSION-RESISTANT THIN PLASTIC SHELL ENCLOSED BY AN OUTER THIN PLASTIC SHELL, ONE OF SAID SHELLS BEING REINFORCED WITH FIBERGLASS; AN INSULATING FOAM POLYMER LAYER INTERPOSED BETWEEN THE INNER AND OUTER SHELLS AND A PLURALITY OF RING-LIKE RIBS OF FIBERGLASS REINFORCED PLASTIC MATERIAL EXTENDING THROUGH SAID INSULATING FOAM POLYMER AND UNITING THE INNER AND OUTER SHELLS TO ONE ANOTHER.
References Cited (Backward Citations)
CA628313A
Cited
US1373434A
Cited
US2727286A
Cited
US2728702A
Cited
US2823826A
Cited
US2962323A
Cited
US3013922A
Cited
US3100458A
Cited
US3082899A
Cited
US3043599A
Cited
US3080267A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |