US2593469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bead blank forming method and machine
Assignee: Individual
•
Filing: 1950-03-22
•
Granted: 1952-04-22
•
Expires: 1970-03-22
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Mason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:44
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/30; B29C48/32; B29C48/34; B29C48/03; B29C48/06; B29C48/15; B29C48/12; B29C48/13; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/2042; Y10T74/20456
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1164718A
Cited
US1189662A
Cited
US1654647A
Cited
US1537348A
Cited
FR639474A
Cited
US2335294A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |