Patent US1850315A successfully refreshed from Google Patents.
US1850315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring wire reel
Assignee: Individual
•
Filing: 1930-09-27
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Granted: 1932-03-22
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Expires: 1950-09-27
Abstract
No abstract record available.
Inventors
- 👤 Clarence N Crocker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:27
CPC Classifications
B; B21; B21C; B21C47/00; B21C47/16; B21C47/18; B21C47/28; B65; B65H; B65H75/00; B65H75/02; B65H75/04; B65H75/08; B65H75/14; B65H75/143; B65H75/16
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) | 1935-03-22 | 1935-09-21 | 1936-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-03-22 | 1939-09-21 | 1940-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-03-22 | 1943-09-21 | 1944-03-22 | $7700.00 | Window Closed / Lapsed |