US3448937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expanding arbor for wire spooling machine
Assignee: Synchro Machine Co
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Filing: 1967-01-04
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Granted: 1969-06-10
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Expires: 1987-01-04
Abstract
No abstract record available.
Inventors
- 👤 Alvin F Beck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:54
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/18; B65H75/24; B65H75/242; B65H75/245; B65H75/2455; B65H54/00; B65H54/02; B65H54/40; B65H54/54; B65H54/543; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB261853A
Cited
GB610079A
Cited
US2564746A
Cited
US2647701A
Cited
US3146964A
Cited
US3278133A
Cited
US3276718A
Cited
US3294337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |