US993883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Attachment of thin-walled hollow bodies to plates.
Assignee: Krupp Stahl AG
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Filing: 1911-01-21
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Granted: 1911-05-30
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Expires: 1931-01-21
Abstract
No abstract record available.
Inventors
- 👤 Paul Schickert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:54
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/88; B21D53/90; Y; Y10; Y10S; Y10S76/00; Y10S76/05; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49373
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) | 1914-05-29 | 1914-11-28 | 1915-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-05-29 | 1918-11-28 | 1919-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-05-29 | 1922-11-28 | 1923-05-30 | $7700.00 | Window Closed / Lapsed |