US3385677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sintered composition material
Assignee: Siemens AG
•
Filing: 1966-06-29
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Granted: 1968-05-28
•
Expires: 1986-06-29
Abstract
No abstract record available.
Inventors
- 👤 Schreiner Horst
- 👤 Edlmayr Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:24
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/02; H01H1/021; H01H1/023; H01H1/0231; C; C22; C22C; C22C32/00; H01B; H01B1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2145690A
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US2200855A
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US2255120A
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US2230267A
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US2370400A
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US2411060A
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US2418812A
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US2425053A
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US3114631A
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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) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |