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US2951457A
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Assignee: Siemens Industry Inc
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Filing: 1958-04-14
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Granted: 1960-09-06
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Expires: 1978-04-14
Abstract
No abstract record available.
Inventors
- 👤 Jr Strickland Kneass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:47
CPC Classifications
F; F04; F04F; F04F9/00; F23; F23L; F23L17/00; F23L17/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US882767A
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US1236793A
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US1237791A
Cited
US1410718A
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US1736675A
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US2542684A
Cited
US2736541A
Cited
US2722372A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |