US3232090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipeline station for selectively launching or receiving spheroids
Assignee: Individual
•
Filing: 1963-07-11
•
Granted: 1966-02-01
•
Expires: 1983-07-11
Abstract
No abstract record available.
Inventors
- 👤 Edward W Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:38
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/26; F16L55/46; F16L2101/00; F16L2101/40; Y; Y10; Y10T; Y10T137/00; Y10T137/4891
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
AN ESCAPEMENT DEVICE FOR A PIPELINE, WHICH IS SELECTIVELY OPERABLE EITHER IN A FIRST MODE FOR RELEASING OBJECTS ONE AT A TIME FOR MOVEMENT IN ONE DIRECTION THROUGH THE PIPELINE, OR IN A SECOND MODE FOR RETENTIVELY RECEIVING OBJECTS MOVING IN THE OTHER DIRECTION THROUGH THE PIPELINE, SAID ESCAPEMENT DEVICE COMPRISING, IN COMBINATION: A PAIR OF ARMS INSERTABLE TRANSVERSELY INTO THE PIPELINE AT LONGITUDINALLY SEPARATED POSITIONS THEREIN; MEANS FOR INSERTING ONE OF ARMS WHILE WITHDRAWING
Claim 2
Dependent Claim
75 words
AN ESCAPEMENT DEVICE FOR A PIPELINE, WHICH IS SELECTIVELY OPERABLE EITHER IN A FIRST MODE FOR RELEASING OBJECTS ONE AT A TIME FOR MOVEMENT IN ONE DIRECTION THROUGH THE PIPELINE, OR IN A SECOND MODE FOR RETENTIVELY RECEIVING OBJECTS MOVING IN THE OTHER DIRECTION THROUGH THE PIPELINE, SAID ESCAPEMENT DEVICE COMPRISING, IN COMBINATION: A PAIR OF ARMS INSERTABLE TRANSVERSELY INTO THE PIPELINE AT LONGITUDINALLY SEPARATED POSITIONS THEREIN; MEANS FOR INSERTING ONE OF ARMS WHILE WITHDRAWING
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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |