US2693235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for feeding and shearing metal ribbon material
Assignee: WESTERN ALUMINUM Corp
•
Filing: 1951-04-23
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Granted: 1954-11-02
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Expires: 1971-04-23
Abstract
No abstract record available.
Inventors
- 👤 Kenneth P Kenworthy
- 👤 Vonhof Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:34
CPC Classifications
B; B23; B23D; B23D33/00; B23D33/08; Y; Y10; Y10T; Y10T83/00; Y10T83/444; Y10T83/4458; Y10T83/446; Y10T83/4501; Y10T83/4645; Y10T83/525; Y10T83/541
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US686075A
Cited
US1407712A
Cited
US1435979A
Cited
US1482025A
Cited
US1567919A
Cited
US2346194A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-01 | 1958-05-03 | 1958-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-01 | 1962-05-03 | 1962-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-01 | 1966-05-03 | 1966-11-02 | $7700.00 | Window Closed / Lapsed |