US3532476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing a metallic multilaminated tube
Assignee: Siemens AG
•
Filing: 1969-09-30
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Granted: 1970-10-06
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Expires: 1989-09-30
Abstract
No abstract record available.
Inventors
- 👤 Martin Peehs
- 👤 Heinz Schorner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:14
CPC Classifications
B; B23; B23K; B23K13/00; H; H01; H01J; H01J45/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49865; Y10T29/49885; Y10T29/49908; Y10T29/49925; Y10T29/49927; Y10T29/49934
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2781308A
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US2609595A
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US3010355A
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US3009484A
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US3279028A
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US3318340A
Cited
US3368084A
Cited
US3461523A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |