Patent US2907480A successfully refreshed from Google Patents.
US2907480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solids injection into pressure system
Assignee: Pan American Petroleum Corp
•
Filing: 1958-01-10
•
Granted: 1959-10-06
•
Expires: 1978-01-10
Abstract
No abstract record available.
Inventors
- 👤 Renic P Vincent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:34
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/34; B65G53/40; B65G53/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
AN APPARATUS FOR INJECTING MATERIAL INTO A HIGHPRESSURE CHAMBER INCLUDING A LOW PRESSURE HOPPER ADAPTED TO HOLD SAID MATERIAL; A HOUSING CONNECTED TO SAID HIGHPRESSURE CHAMBER; A CARRIER ADAPTED TO FORM A RECEPTACLE; MEANS TO MOVE SAID CARRIER FROM MATERIAL TRANSFERRING RELATIONSHIP WITH SAID HOPPER INTO AND OUT OF MATERIAL TRANSFERRING RELATIONSHIP WITH SAID HIGH-PRESSURE CHAMBER; SAID HOUSING FORMING A SEAL ABOUT SAID RECEPTACLE AS SAID RECEPTACLE MOVES FROM SAID MATERIAL TRANSFERRING RELATIONSHIP WITH SAID HOPPER INTO AND OUT OF SAID MATERIAL TRANSFERRING RELATIONSHIP WITH SAID HIGH-PRESSURE CHAMBER; AND MEANS TO MAINTAIN SAID SEAL WHILE SIMULTANEOUSLY VENTING SAID HOUSING AND SAID RECEPTACLE TO SUBSTANTIALLY THE SAME PRESSURE WITHIN SAID LOW-PRESSURE HOPPER.
Claim 2
Independent Claim
111 words
AN APPARATUS FOR INJECTING MATERIAL INTO A HIGHPRESSURE CHAMBER INCLUDING A LOW PRESSURE HOPPER ADAPTED TO HOLD SAID MATERIAL; A HOUSING CONNECTED TO SAID HIGHPRESSURE CHAMBER; A CARRIER ADAPTED TO FORM A RECEPTACLE; MEANS TO MOVE SAID CARRIER FROM MATERIAL TRANSFERRING RELATIONSHIP WITH SAID HOPPER INTO AND OUT OF MATERIAL TRANSFERRING RELATIONSHIP WITH SAID HIGH-PRESSURE CHAMBER; SAID HOUSING FORMING A SEAL ABOUT SAID RECEPTACLE AS SAID RECEPTACLE MOVES FROM SAID MATERIAL TRANSFERRING RELATIONSHIP WITH SAID HOPPER INTO AND OUT OF SAID MATERIAL TRANSFERRING RELATIONSHIP WITH SAID HIGH-PRESSURE CHAMBER; AND MEANS TO MAINTAIN SAID SEAL WHILE SIMULTANEOUSLY VENTING SAID HOUSING AND SAID RECEPTACLE TO SUBSTANTIALLY THE SAME PRESSURE WITHIN SAID LOW-PRESSURE HOPPER.
References Cited (Backward Citations)
US1100992A
Cited
US2609250A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |