US2551527A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for closing and sealing containers
Assignee: Individual
•
Filing: 1948-05-26
•
Granted: 1951-05-01
•
Expires: 1968-05-26
Abstract
No abstract record available.
Inventors
- 👤 Robert B Cartwright
- 👤 William M Owen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:51
CPC Classifications
B; B65; B65B; B65B7/00; B65B7/16; B65B7/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1365415A
Cited
US1577850A
Cited
US1622709A
Cited
US1965897A
Cited
US2074357A
Cited
US2098245A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-30 | 1954-10-30 | 1955-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-30 | 1958-10-30 | 1959-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-30 | 1962-10-30 | 1963-05-01 | $7700.00 | Window Closed / Lapsed |