US2454555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination cap and plug
Assignee: Clover Industries Inc
•
Filing: 1944-08-30
•
Granted: 1948-11-23
•
Expires: 1964-08-30
Abstract
No abstract record available.
Inventors
- 👤 Harold P Henderson
- 👤 Kaplan Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:23
CPC Classifications
B; B65; B65D; B65D59/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US628408A
Cited
US1590517A
Cited
DE572488C
Cited
GB376004A
Cited
US2055646A
Cited
US2134730A
Cited
US2082144A
Cited
US2334424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-23 | 1952-05-24 | 1952-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-23 | 1956-05-24 | 1956-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-23 | 1960-05-24 | 1960-11-23 | $7700.00 | Window Closed / Lapsed |