US2036182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrusion method
Assignee: Tubus A G
•
Filing: 1934-04-14
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Granted: 1936-03-31
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Expires: 1954-04-14
Abstract
No abstract record available.
Inventors
- 👤 Singer Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:16
CPC Classifications
B; B21; B21C; B21C23/00; B21C23/02; B21C23/18; B21C23/183; B21C1/00; B21C1/16; B21C1/22; B21C1/24; B21C1/26; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2552; Y10T82/2554; Y10T82/2556
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-03-31 | 1939-09-30 | 1940-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-03-31 | 1943-09-30 | 1944-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-03-31 | 1947-09-30 | 1948-03-31 | $7700.00 | Window Closed / Lapsed |