US2770262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for forming spring-wire into zig-zag material and methods of forming zig-zagspring material
Assignee: SPRINGS Inc
•
Filing: 1952-06-17
•
Granted: 1956-11-13
•
Expires: 1972-06-17
Abstract
No abstract record available.
Inventors
- 👤 Gauci Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:14
CPC Classifications
B; B21; B21F; B21F35/00; B21F35/04; B21F1/00; B21F1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US468301A
Cited
US1439411A
Cited
US2331294A
Cited
US2582576A
Cited
US2454290A
Cited
US2474276A
Cited
US2655193A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |