US3030074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turntable support
Assignee: General Steel Industries Inc
•
Filing: 1960-06-29
•
Granted: 1962-04-17
•
Expires: 1980-06-29
Abstract
No abstract record available.
Inventors
- 👤 Richard L Lich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:55
CPC Classifications
B; B61; B61D; B61D47/00; B61D47/005; B61D3/00; B61D3/16; B61D3/18; B61D3/182; B61D3/184
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US971115A
Cited
US2933053A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |