US1481982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic electromagnet rover stop or breaker for spinning machines
Assignee: Eclipse Textile Devices Inc
•
Filing: 1921-04-21
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Granted: 1924-01-29
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Expires: 1941-04-21
Abstract
No abstract record available.
Inventors
- 👤 Delbert B Brace
- 👤 William B Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:05
CPC Classifications
D; D01; D01H; D01H13/00; D01H13/14; D01H13/16; D01H13/18; D01H13/188
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) | 1927-01-28 | 1927-07-30 | 1928-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-01-28 | 1931-07-30 | 1932-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-01-28 | 1935-07-30 | 1936-01-29 | $7700.00 | Window Closed / Lapsed |