US2640451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube winding machine
Assignee: TITEFLEX Inc
•
Filing: 1948-05-03
•
Granted: 1953-06-02
•
Expires: 1968-05-03
Abstract
No abstract record available.
Inventors
- 👤 Robert S Carr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:00
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/12; B21C37/124; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US185514A
Cited
US359205A
Cited
US426386A
Cited
US839060A
Cited
US1596215A
Cited
US1911143A
Cited
US2350070A
Cited
US2440792A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-01 | 1956-12-01 | 1957-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-01 | 1960-12-01 | 1961-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-01 | 1964-12-01 | 1965-06-02 | $7700.00 | Window Closed / Lapsed |