US2900937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sewing machines
Assignee: Fritz Gegauf AG
•
Filing: 1954-06-10
•
Granted: 1959-08-25
•
Expires: 1974-06-10
Abstract
No abstract record available.
Inventors
- 👤 Gegauf Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:47
CPC Classifications
D; D05; D05B; D05B19/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1033721A
Cited
GB190819184A
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US1338074A
Cited
US1611372A
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US2297197A
Cited
US2653557A
Cited
US2623487A
Cited
US2664058A
Cited
US2684649A
Cited
US2755754A
Cited
US2693778A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |