US2441876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ring and disc assembly apparatus
Assignee: Individual
•
Filing: 1945-01-15
•
Granted: 1948-05-18
•
Expires: 1965-01-15
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Fleisch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:29
CPC Classifications
B; B21; B21D; B21D51/00; B21D51/16; B21D51/38; B21D51/44; B21D51/46; Y; Y10; Y10S; Y10S29/00; Y10S29/044; Y10T; Y10T29/00; Y10T29/53; Y10T29/53313; Y10T29/53478
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2183600A
Cited
GB260271A
Cited
US1694875A
Cited
US1735609A
Cited
US1964434A
Cited
US2080039A
Cited
US2198740A
Cited
US2344460A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-18 | 1951-11-17 | 1952-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-18 | 1955-11-17 | 1956-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-18 | 1959-11-17 | 1960-05-18 | $7700.00 | Window Closed / Lapsed |