Patent US3050023A successfully refreshed from Google Patents.
US3050023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube spinning machine
Assignee: Individual
•
Filing: 1959-05-29
•
Granted: 1962-08-21
•
Expires: 1979-05-29
Abstract
No abstract record available.
Inventors
- 👤 James D Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:18
CPC Classifications
B; B21; B21D; B21D41/00; B21D41/04; Y; Y10; Y10T; Y10T82/00; Y10T82/16; Y10T82/16426; Y10T82/16967; Y10T82/25; Y10T82/2564
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |