US3358869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum sealing plug
Assignee: Atlantic Richfield Co
•
Filing: 1965-08-19
•
Granted: 1967-12-19
•
Expires: 1985-08-19
Abstract
No abstract record available.
Inventors
- 👤 Earl W Palmer
- 👤 Ronald B L Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:40
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/10; F16L55/11; F16L55/1141
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB550250A
Cited
US2454555A
Cited
US2737205A
Cited
US2954890A
Cited
US3200984A
Cited
US3274747A
Cited
US3213672A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |