US2496211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic thread cutter and register means for book sewing machines
Assignee: Brock and Rankin Inc
•
Filing: 1944-06-08
•
Granted: 1950-01-31
•
Expires: 1964-06-08
Abstract
No abstract record available.
Inventors
- 👤 William B Hildmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:41
CPC Classifications
B; B42; B42B; B42B2/00; B42B2/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1114063A
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US1764863A
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US1888949A
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US1888775A
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US2009172A
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US2318843A
Cited
US2254413A
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US2385712A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-30 | 1953-08-01 | 1954-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-30 | 1957-08-01 | 1958-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-30 | 1961-08-01 | 1962-01-31 | $7700.00 | Window Closed / Lapsed |