US1678710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material-spooling mechanism
Assignee: AT&T Inc
•
Filing: 1926-01-02
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Granted: 1928-07-31
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Expires: 1946-01-02
Abstract
No abstract record available.
Inventors
- 👤 Selvig John Nilsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:45
CPC Classifications
B; B21; B21C; B21C47/00; B21C47/02; B21C47/04; B65; B65H; B65H54/00; B65H54/02; B65H54/40; B65H54/54; B65H54/547
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) | 1931-07-31 | 1932-01-30 | 1932-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-07-31 | 1936-01-30 | 1936-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-07-31 | 1940-01-30 | 1940-07-31 | $7700.00 | Window Closed / Lapsed |