US2652165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rupturable crown cap
Assignee: Individual
•
Filing: 1950-11-13
•
Granted: 1953-09-15
•
Expires: 1970-11-13
Abstract
No abstract record available.
Inventors
- 👤 David L Wener
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:07
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/32; B65D41/40; B65D41/42; B65D2401/00; B65D2401/15; B65D2401/35
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL21206C
Cited
US606471A
Cited
US616865A
Cited
US847994A
Cited
US906875A
Cited
US1052382A
Cited
FR429098A
Cited
US2130511A
Cited
US2218042A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |