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US2935158A
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Assignee: Fortuna Werke Spezialmaschinenfabrik AG
•
Filing: 1959-02-16
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Granted: 1960-05-03
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Expires: 1979-02-16
Abstract
No abstract record available.
Inventors
- 👤 Braun Dieter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:15
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/16; A47L9/1608; A47L9/14; A47L9/165; B; B01; B01D; B01D45/00; B01D45/02; B01D46/00; B01D46/02; C; C14; C14B; C14B1/00; C14B2700/00; C14B2700/28; Y; Y10; Y10S; Y10S55/00; Y10S55/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US956862A
Cited
US1109372A
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US2068332A
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US2232913A
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GB572394A
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US2580648A
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GB737457A
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US2684125A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |