US2647652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure cap
Assignee: Individual
•
Filing: 1947-08-14
•
Granted: 1953-08-04
•
Expires: 1967-08-14
Abstract
No abstract record available.
Inventors
- 👤 Hugh W Sanford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:16
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/02; B65D41/04; B65D41/0435; B65D41/0442
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US28413A
Cited
US781702A
Cited
US816513A
Cited
FR367069A
Cited
US1625963A
Cited
US1813949A
Cited
US2339702A
Cited
US2372227A
Cited
US2404410A
Cited
US2465662A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |