US3414332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shipping vessel
Assignee: Union Carbide Corp
•
Filing: 1967-04-12
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Granted: 1968-12-03
•
Expires: 1987-04-12
Abstract
No abstract record available.
Inventors
- 👤 John W Merrill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:34
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/22; B60P3/224
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A METALLIC VESSEL 30 TO 40 FEET FOR TRANSPORTING AND DELIVERING BULK GRANULAR MATERIALS COMPRISING, A PNEUMATIC DISCHARGE ASSEMBLY FOR SAID MATERIALS WHICH COMPRISES, A CONVEYOR CHANNEL SITUATED IN THE LOWER PORTION OF SAID VESSEL HAVING SLOTS THEREIN AT SPACED INTERVALS AND A TUBULAR AIR CONDUIT MEMBER SITUATED PROXIMATE SAID CHANNEL, SAID CONDUIT MEMBER HAVING VALVE ASSEMBLIES MOUNTED THEREON POSITIONED TO OPEN AND CLOSE SAID SLOTS SEQUENTIALLY WHEN SAID CONDUIT MEMBER IS INFLATED AND DEFLATED, MEANS FOR INFLATING AND DEFLATING SAID CONDUIT MEM-
Claim 2
Dependent Claim
83 words
A METALLIC VESSEL 30 TO 40 FEET FOR TRANSPORTING AND DELIVERING BULK GRANULAR MATERIALS COMPRISING, A PNEUMATIC DISCHARGE ASSEMBLY FOR SAID MATERIALS WHICH COMPRISES, A CONVEYOR CHANNEL SITUATED IN THE LOWER PORTION OF SAID VESSEL HAVING SLOTS THEREIN AT SPACED INTERVALS AND A TUBULAR AIR CONDUIT MEMBER SITUATED PROXIMATE SAID CHANNEL, SAID CONDUIT MEMBER HAVING VALVE ASSEMBLIES MOUNTED THEREON POSITIONED TO OPEN AND CLOSE SAID SLOTS SEQUENTIALLY WHEN SAID CONDUIT MEMBER IS INFLATED AND DEFLATED, MEANS FOR INFLATING AND DEFLATING SAID CONDUIT MEM-
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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) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |