US3463330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal sheet handling device
Assignee: RELIANCE SHEET AND STRIP CO
•
Filing: 1967-05-12
•
Granted: 1969-08-26
•
Expires: 1987-05-12
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:00
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/20; B21D43/22; B65; B65G; B65G57/00; B65G57/02; B65G57/11; B65G57/112; Y; Y10; Y10S; Y10S414/00; Y10S414/10; Y10S414/114
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2424093A
Cited
US2489004A
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US2642221A
Cited
FR1280206A
Cited
US3122242A
Cited
US3331516A
Cited
US3297174A
Cited
US3356231A
Cited
US3321202A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |