Patent US2898264A successfully refreshed from Google Patents.
Patent US2947045A successfully refreshed from Google Patents.
US2947045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
goldhamer
Assignee: —
•
Filing: —
•
Granted: 1960-08-02
•
Expires: 1977-08-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:55
CPC Classifications
B; B22; B22D; B22D17/00; B22D17/20; B22D17/26; B22D17/22; B22D17/2272
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1219358A
Cited
US2307001A
Cited
US2533468A
Cited
US2656588A
Cited
US2799066A
Cited
US2831214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |