Patent US3710930A successfully refreshed from Google Patents.
US770179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bobbin-winding attachment for sewing-machines.
Assignee: Individual
•
Filing: 1903-06-16
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Granted: 1904-09-13
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Expires: 1923-06-16
Abstract
No abstract record available.
Inventors
- 👤 Roland H Legg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:23
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/56; B65H54/60; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1907-09-13 | 1908-03-14 | 1908-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-09-13 | 1912-03-14 | 1912-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-09-13 | 1916-03-14 | 1916-09-13 | $7700.00 | Window Closed / Lapsed |