US2952295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for belling large diameter pipe and truing the same
Assignee: YUBA CONS IND Inc
•
Filing: 1956-12-31
•
Granted: 1960-09-13
•
Expires: 1976-12-31
Abstract
No abstract record available.
Inventors
- 👤 Melan J Marinovich
- 👤 Eli J Marinovich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:00
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/30; B21D; B21D41/00; B21D41/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2623570A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-13 | 1964-03-14 | 1964-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-13 | 1968-03-14 | 1968-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-13 | 1972-03-14 | 1972-09-13 | $7700.00 | Window Closed / Lapsed |