US3451589A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filling neck and pressure cap
Assignee: SH Leggitt Co
•
Filing: 1967-08-08
•
Granted: 1969-06-24
•
Expires: 1987-08-08
Abstract
No abstract record available.
Inventors
- 👤 Edward R Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:09
CPC Classifications
B; B65; B65B; B65B31/00; B65B31/04; B65B31/046; B65B31/047
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1085571A
Cited
US1691374A
Cited
US1911125A
Cited
US1919501A
Cited
US2195132A
Cited
US2665028A
Cited
US2797016A
Cited
US2962188A
Cited
US2944701A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |