US2234326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yielding follow-up control
Assignee: Siemens APP und Maschinen GmbH
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Filing: 1939-11-09
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Granted: 1941-03-11
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Expires: 1959-11-09
Abstract
No abstract record available.
Inventors
- 👤 Tiebel Hans-Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:14
CPC Classifications
F; F03; F03D; F03D7/00; F03D7/02; F03D7/022; F03D7/0224; F15; F15B; F15B9/00; F15B9/02; F15B9/08; F15B9/12; G; G05; G05D; G05D1/00; G05D1/08; G05D1/0808; F05; F05B; F05B2260/00; F05B2260/70; F05B2260/76; F05B2270/00; F05B2270/50; F05B2270/506; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72
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) | 1944-03-10 | 1944-09-09 | 1945-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-03-10 | 1948-09-09 | 1949-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-03-10 | 1952-09-09 | 1953-03-11 | $7700.00 | Window Closed / Lapsed |