US2572164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible tube handling apparatus
Assignee: WHITE METAL Manufacturing Co
•
Filing: 1947-06-28
•
Granted: 1951-10-23
•
Expires: 1967-06-28
Abstract
No abstract record available.
Inventors
- 👤 Lehmann Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:38
CPC Classifications
C; C21; C21D; C21D9/00; B; B65; B65H; B65H67/00; B65H67/06; B65H75/00; B65H75/02; B65H75/18; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US195475A
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US803850A
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US935848A
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US1926914A
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US2192503A
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US2378579A
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US2355597A
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US2350425A
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US2351801A
Cited
US2461290A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-22 | 1955-04-23 | 1955-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-22 | 1959-04-23 | 1959-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-22 | 1963-04-23 | 1963-10-23 | $7700.00 | Window Closed / Lapsed |