Patent US3084828A successfully refreshed from Google Patents.
US3084828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cylinder leak stopping device
Assignee: PPG Industries Inc
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Filing: 1961-03-15
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Granted: 1963-04-09
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Expires: 1981-03-15
Abstract
No abstract record available.
Inventors
- 👤 Leslie D Davies
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:15
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/16; F16L55/168
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A DEVICE FOR STOPPING THE FLOW OF A FLUID FROM A HOLE IN A TANK HAVING A CHIME PORTION COMPRISING IN COMBINATION, A PAIR OF ELONGATED MEMBERS CONTINGUOUSLY POSITIONED IN SLIDING CONTACT WITH ONE ANOTHER, THE FREE ENDS OF EACH MEMBER HAVING SHAPED PORTIONS TO FIRMLY ENGAGE WITH THE CHIME OF THE TANK, ONE OF SAID ELONGATED MEMBERS HAVING A LOCKING DEVICE THEREON HAVING COOPERATING
Claim 2
Independent Claim
65 words
A DEVICE FOR STOPPING THE FLOW OF A FLUID FROM A HOLE IN A TANK HAVING A CHIME PORTION COMPRISING IN COMBINATION, A PAIR OF ELONGATED MEMBERS CONTINGUOUSLY POSITIONED IN SLIDING CONTACT WITH ONE ANOTHER, THE FREE ENDS OF EACH MEMBER HAVING SHAPED PORTIONS TO FIRMLY ENGAGE WITH THE CHIME OF THE TANK, ONE OF SAID ELONGATED MEMBERS HAVING A LOCKING DEVICE THEREON HAVING COOPERATING
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) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |