US1331677A
Expired / Lapsed
US
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Method of manufacturing shock-absorber springs
Assignee: Individual
•
Filing: 1918-02-11
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Granted: 1920-02-24
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Expires: 1938-02-11
Abstract
No abstract record available.
Inventors
- 👤 Schachter Nathan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:21
CPC Classifications
B; B60; B60G; B60G17/00; B60G17/02; B60G17/023; B21; B21D; B21D53/00; B21D53/88; B21D53/886; B60G11/00; B60G11/32; B60G11/34; B60G2202/00; B60G2202/10; B60G2202/11; B60G2202/116; B60G2500/00; B60G2500/20; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49609; Y10T29/49611; Y10T29/49615
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1923-02-23 | 1923-08-25 | 1924-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-02-23 | 1927-08-25 | 1928-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-02-23 | 1931-08-25 | 1932-02-24 | $7700.00 | Window Closed / Lapsed |