US3133564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-spit-back fill pipe
Assignee: Old Carco LLC
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Filing: 1960-11-10
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Granted: 1964-05-19
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Expires: 1980-11-10
Abstract
No abstract record available.
Inventors
- 👤 William A Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:11
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/42; B67D7/44; B67D7/46; B67D7/48; B60; B60K; B60K15/00; B60K15/03; B60K15/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
AN ANTI-SPIT-BACK FILL PIPE ASSEMBLY FOR A CLOSED FLUID CONTAINER HAVING A FILL END WITH AN OPPOSITELY LOCATED DISCHARGE END OF THE FILL PIPE ASSEMBLY CONNECTED TO THE CONTAINER AT A SHALLOW ANGLE TO THE HORIZONTAL, COMPRISING AN OUTER PIPE, AN INNER PIPE OF SMALLER DIAMETER NESTEDLY AND FIXEDLY ARRANGED WITHIN AND EXTENDING SUBSTANTIALLY THE FULL LENGTH OF THE OUTER PIPE, SAID PIPES PROVIDING SEPARATE FLUID FILL AND VENT CONDUITS EXTENDING LENGTHWISE OF THE PIPE ASSEMBLY TO THE DISCHARGE END THEREOF, SAID INNER PIPE HAVING VENT PORTING EXTENDING THERETHROUGH ADJACENT THE FILL END OF THE PIPE ASSEMBLY THAT CONNECTS TO THE FLUID FILL CONDUIT AT THE LOCATION WHERE A FILL NOZZLE WOULD BE POSITIONED, AND BAFFLE MEANS CLOSING OFF THE VENT CONDUIT BETWEEN THE FILL END OF THE PIPE ASSEMBLY AND THE PORTING TO DIRECT THE VENT FLOW IN THE VENT CONDUIT THROUGH THE VENT PORTING AND INTO THE FLUID FILL CONDUIT AT THE FILL END THEREOF.
Claim 2
Dependent Claim
157 words
AN ANTI-SPIT-BACK FILL PIPE ASSEMBLY FOR A CLOSED FLUID CONTAINER HAVING A FILL END WITH AN OPPOSITELY LOCATED DISCHARGE END OF THE FILL PIPE ASSEMBLY CONNECTED TO THE CONTAINER AT A SHALLOW ANGLE TO THE HORIZONTAL, COMPRISING AN OUTER PIPE, AN INNER PIPE OF SMALLER DIAMETER NESTEDLY AND FIXEDLY ARRANGED WITHIN AND EXTENDING SUBSTANTIALLY THE FULL LENGTH OF THE OUTER PIPE, SAID PIPES PROVIDING SEPARATE FLUID FILL AND VENT CONDUITS EXTENDING LENGTHWISE OF THE PIPE ASSEMBLY TO THE DISCHARGE END THEREOF, SAID INNER PIPE HAVING VENT PORTING EXTENDING THERETHROUGH ADJACENT THE FILL END OF THE PIPE ASSEMBLY THAT CONNECTS TO THE FLUID FILL CONDUIT AT THE LOCATION WHERE A FILL NOZZLE WOULD BE POSITIONED, AND BAFFLE MEANS CLOSING OFF THE VENT CONDUIT BETWEEN THE FILL END OF THE PIPE ASSEMBLY AND THE PORTING TO DIRECT THE VENT FLOW IN THE VENT CONDUIT THROUGH THE VENT PORTING AND INTO THE FLUID FILL CONDUIT AT THE FILL END THEREOF.
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) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |