US3411334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for rollextrusion of small tubes
Assignee: N T W MISSILE ENGINEERING Inc
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Filing: 1965-10-22
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Granted: 1968-11-19
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Adolph W Ernestus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:51
CPC Classifications
B; B21; B21C; B21C1/00; B21C1/16; B21C1/22; B21C1/24; B21C1/26; B21B; B21B23/00; B21D; B21D22/00; B21D22/14; B21D22/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |