Patent US2501696A successfully refreshed from Google Patents.
US2501696A
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Assignee: WOLFGANG KMENTT
•
Filing: 1947-08-06
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Granted: 1950-03-28
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Expires: 1967-08-06
Abstract
No abstract record available.
Inventors
- 👤 Souczek Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:46
CPC Classifications
F; F03; F03B; F03B17/00; F03B17/06; F03B17/061; E; E02; E02B; E02B17/00; E02B2017/0091; F05; F05B; F05B2240/00; F05B2240/90; F05B2240/97; Y; Y02; Y02E; Y02E10/00; Y02E10/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US502624A
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US1626715A
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US868798A
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US867192A
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US903592A
Cited
FR393899A
Cited
US1123491A
Cited
US1669055A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-27 | 1953-09-26 | 1954-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-27 | 1957-09-26 | 1958-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-27 | 1961-09-26 | 1962-03-28 | $7700.00 | Window Closed / Lapsed |