Patent US2712973A successfully refreshed from Google Patents.
US2712973A
Expired / Lapsed
US
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Sewing machine cabinets and means for elevating sewing machine heads
Assignee: Individual
•
Filing: 1951-12-18
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Granted: 1955-07-12
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Expires: 1971-12-18
Abstract
No abstract record available.
Inventors
- 👤 Charles C James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:45
CPC Classifications
D; D05; D05B; D05B75/00; D05B75/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US266526A
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US541474A
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US719233A
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US1402805A
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US1712503A
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US2247380A
Cited
US2318443A
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US2589393A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-11 | 1959-01-10 | 1959-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-11 | 1963-01-10 | 1963-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-11 | 1967-01-10 | 1967-07-12 | $7700.00 | Window Closed / Lapsed |