US2596432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for opening sheet metal containers
Assignee: Wyeth Holdings LLC
•
Filing: 1949-08-04
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Granted: 1952-05-13
•
Expires: 1969-08-04
Abstract
No abstract record available.
Inventors
- 👤 Kurt F Pietzsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:08
CPC Classifications
B; B67; B67B; B67B7/00; B67B7/24; B67B7/26; B67B7/28; B65; B65B; B65B69/00; B65B69/0033
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1376798A
Cited
US781508A
Cited
US1006439A
Cited
US2178461A
Cited
US2145779A
Cited
US2496606A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |