US3489307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw-type cap having fulcrum seal
Assignee: Haskon Inc
•
Filing: 1968-06-10
•
Granted: 1970-01-13
•
Expires: 1988-06-10
Abstract
No abstract record available.
Inventors
- 👤 Earl C Wenger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:24
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/02; B65D41/04; B65D41/0435; B65D41/045; Y; Y10; Y10S; Y10S206/00; Y10S206/807
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2880900A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |