US2607188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1947-06-27
•
Granted: 1952-08-19
•
Expires: 1967-06-27
Abstract
No abstract record available.
Inventors
- 👤 Bourquin Edgar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:41
CPC Classifications
G; G04; G04C; G04C21/00; G04C21/16; G04C21/18; G04B; G04B23/00; G04B23/02; G04B23/021; G04B23/03; G04B23/06; G04B27/00; G04B37/00; G04B37/06; G04B37/068
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1827179A
Cited
US1813942A
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DE614524C
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US1982495A
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GB439035A
Cited
US2247638A
Cited
US2344853A
Cited
US2303365A
Cited
US2423680A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |