US2637875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring assembly
Assignee: General Bronze Corp
•
Filing: 1949-08-30
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Granted: 1953-05-12
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Expires: 1969-08-30
Abstract
No abstract record available.
Inventors
- 👤 Hess Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:31
CPC Classifications
E; E05; E05D; E05D13/00; E05D13/10; E05D13/12; F; F16; F16F; F16F3/00; F16F3/02; F16F3/04; E05F; E05F1/00; E05F1/08; E05F1/10; E05F1/12
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) | 1956-05-11 | 1956-11-10 | 1957-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-11 | 1960-11-10 | 1961-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-11 | 1964-11-10 | 1965-05-12 | $7700.00 | Window Closed / Lapsed |