US2631359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making spring clips
Assignee: Individual
•
Filing: 1950-05-20
•
Granted: 1953-03-17
•
Expires: 1970-05-20
Abstract
No abstract record available.
Inventors
- 👤 Schwartz Marcus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:18
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/36; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44017; Y10T24/44641; Y10T24/44769; Y10T24/44906; Y10T24/44915; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49947; Y10T29/49954; Y10T29/49956
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US150251A
Cited
US1857754A
Cited
US1832098A
Cited
US1814103A
Cited
US1906874A
Cited
US1928469A
Cited
US2299752A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |