US2939699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stock pusher
Assignee: VLIER ENGINEERING Corp
•
Filing: 1957-12-10
•
Granted: 1960-06-07
•
Expires: 1977-12-10
Abstract
No abstract record available.
Inventors
- 👤 Patt Isaac
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:11
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/02; B21D43/021; B21D43/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1322110A
Cited
US1404239A
Cited
US1519225A
Cited
US1681033A
Cited
US2132896A
Cited
US2372499A
Cited
US2815076A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-07 | 1963-12-07 | 1964-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-07 | 1967-12-07 | 1968-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-07 | 1971-12-07 | 1972-06-07 | $7700.00 | Window Closed / Lapsed |