Patent US2987268A successfully refreshed from Google Patents.
US2987268A
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Bobbin frame mechanism
Assignee: Delore SA Geoffroy
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Filing: 1957-01-18
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Granted: 1961-06-06
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Expires: 1977-01-18
Abstract
No abstract record available.
Inventors
- 👤 Hangwitz Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:43
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/02; B65H54/28; B65H54/2848; B65H54/2854; B65H54/2857; B65H54/2866; B65H2701/00; B65H2701/30; B65H2701/31; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US334809A
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US2026365A
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US2048948A
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US2210912A
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US2178414A
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US2259291A
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DE922924C
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US2539667A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |