US3063080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination gate valve and ball launcher and catcher for use in pressure flow lines
Assignee: Panhandle Eastern Pipe Line Co
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Filing: 1961-01-11
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Granted: 1962-11-13
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Expires: 1981-01-11
Abstract
No abstract record available.
Inventors
- 👤 Stephen A Bergman
- 👤 Donald F Cockrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:53
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/26; F16L55/46; F16K; F16K3/00; F16K3/02; F16K3/0209; Y; Y10; Y10T; Y10T137/00; Y10T137/4891
Claims Analysis
Total Claims: 0
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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) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |