US2947067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacture of flexure member
Assignee: SANDBERG SERRELL CORP
•
Filing: 1957-12-09
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Granted: 1960-08-02
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Expires: 1977-12-09
Abstract
No abstract record available.
Inventors
- 👤 Charles L Vice
- 👤 Peter V H Serrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:40
CPC Classifications
B; B23; B23K; B23K1/00; B23K1/19; B23K1/0008; B23K2103/00; B23K2103/02; B23K2103/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49609; Y10T403/00; Y10T403/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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 |