US2617422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Binder
Assignee: PRESSED AND WELDED STEEL PRODU
•
Filing: 1948-11-05
•
Granted: 1952-11-11
•
Expires: 1968-11-05
Abstract
No abstract record available.
Inventors
- 👤 Haskin Walter Easter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:39
CPC Classifications
B; B42; B42F; B42F11/00; B42F11/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US548615A
Cited
US1767978A
Cited
FR610688A
Cited
FR33316E
Cited
US1748236A
Cited
US1845445A
Cited
US1913634A
Cited
US1973186A
Cited
US2091619A
Cited
US2157080A
Cited
US2239081A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-11 | 1956-05-12 | 1956-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-11 | 1960-05-12 | 1960-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-11 | 1964-05-12 | 1964-11-11 | $7700.00 | Window Closed / Lapsed |