Patent US2010996A successfully refreshed from Google Patents.
US2010996A
Expired / Lapsed
US
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Tool for producing a change of form in sheet metal
Assignee: Firm Junkers Flugzengwerk A G
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Filing: 1932-09-24
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Granted: 1935-08-13
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Expires: 1952-09-24
Abstract
No abstract record available.
Inventors
- 👤 Junkers Hugo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:56
CPC Classifications
B; B21; B21D; B21D11/00; B21D11/08; B21D11/085
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) | 1938-08-12 | 1939-02-11 | 1939-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-08-12 | 1943-02-11 | 1943-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-08-12 | 1947-02-11 | 1947-08-13 | $7700.00 | Window Closed / Lapsed |