US2556571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metering spring closure for dispensing tubular containers
Assignee: Individual
•
Filing: 1945-11-19
•
Granted: 1951-06-12
•
Expires: 1965-11-19
Abstract
No abstract record available.
Inventors
- 👤 William P Bobbs
- 👤 Paul A Bobbs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:51
CPC Classifications
B; B65; B65D; B65D35/00; B65D35/24; B65D35/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1122869A
Cited
US1949661A
Cited
US1958432A
Cited
US1937609A
Cited
US2026012A
Cited
US2075249A
Cited
US2105118A
Cited
US2128035A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-11 | 1954-12-11 | 1955-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-11 | 1958-12-11 | 1959-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-11 | 1962-12-11 | 1963-06-12 | $7700.00 | Window Closed / Lapsed |