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Patent US3040927A successfully refreshed from Google Patents.
US3040927A
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US
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Closure means for withstanding high pressures
Assignee: Sunoco Inc
•
Filing: 1960-02-19
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Granted: 1962-06-26
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Expires: 1980-02-19
Abstract
No abstract record available.
Inventors
- 👤 Preston E Chaney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:50
CPC Classifications
F; F16; F16J; F16J13/00; F16J13/02; F16J13/08; Y; Y10; Y10S; Y10S277/00; Y10S277/91
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2436407A
Cited
US2457927A
Cited
US2483156A
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US2687910A
Cited
US2839218A
Cited
US2800597A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |