US3362056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of fabricating structural shapes
Assignee: Theodor Wuppermann GmbH
•
Filing: 1964-06-05
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Granted: 1968-01-09
•
Expires: 1984-06-05
Abstract
No abstract record available.
Inventors
- 👤 Preller Hans
- 👤 Kramer Karl-Gerd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:40
CPC Classifications
B; B21; B21D; B21D47/00; B21D47/04; E; E04; E04C; E04C3/00; E04C3/02; E04C3/04; E04C2003/0404; E04C2003/0443; E04C2003/0452; E04C2003/0456; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49634; Y10T29/49787; Y10T29/49789; Y10T29/49798; Y10T29/49826; Y10T29/49828; Y10T29/49829
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |