US2663073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming spools
Assignee: Acrometal Products Inc
•
Filing: 1952-03-19
•
Granted: 1953-12-22
•
Expires: 1972-03-19
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Bieber
- 👤 Lyle E Overholt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:39
CPC Classifications
B; B65; B65H; B65H75/00; 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; Y10T29/49544; Y10T29/49547; Y10T29/49556; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/4992; Y10T29/49938; Y10T29/4994
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US232259A
Cited
US1005760A
Cited
US1742454A
Cited
US1758229A
Cited
US1934170A
Cited
US2190085A
Cited
US2545527A
Cited
US2593069A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |