US2857665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making metal spools
Assignee: Individual
•
Filing: 1956-02-27
•
Granted: 1958-10-28
•
Expires: 1976-02-27
Abstract
No abstract record available.
Inventors
- 👤 Cohen Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:43
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/50; B65H75/02; B65H75/04; B65H75/08; B65H75/14; B65H2701/00; B65H2701/50; B65H2701/51; B65H2701/513; B65H2701/5134; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49922; Y10T29/49925; Y10T29/49934
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR20162E
Cited
US1562419A
Cited
US1645701A
Cited
US2047434A
Cited
US2126653A
Cited
US2343389A
Cited
US2656730A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |