US2596552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for producing tubes or other hollow cylindrical articles
Assignee: Individual
•
Filing: 1944-10-24
•
Granted: 1952-05-13
•
Expires: 1964-10-24
Abstract
No abstract record available.
Inventors
- 👤 Heimann Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:43
CPC Classifications
B; B21; B21C; B21C25/00; B21C25/02; B29; B29C; B29C48/00; B29C48/001; B29C48/03; B29C48/06; B29C48/09; B29C48/10; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5185
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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 |