US2670147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bobbin winding machine
Assignee: Whitin Machine Works Inc
•
Filing: 1951-12-08
•
Granted: 1954-02-23
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Expires: 1971-12-08
Abstract
No abstract record available.
Inventors
- 👤 Glover C Joyce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:50
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/02; B65H54/10; B65H54/14; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US458927A
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US494723A
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US976698A
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US1236906A
Cited
US1214742A
Cited
US2011429A
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GB481232A
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US2267899A
Cited
FR900111A
Cited
US2609156A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-22 | 1957-08-24 | 1958-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-22 | 1961-08-24 | 1962-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-22 | 1965-08-24 | 1966-02-23 | $7700.00 | Window Closed / Lapsed |