Patent US1624919A successfully refreshed from Google Patents.
US1624919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pivot spring hinge
Assignee: Individual
•
Filing: 1925-02-28
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Granted: 1927-04-19
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Expires: 1945-02-28
Abstract
No abstract record available.
Inventors
- 👤 Bommer Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:53
CPC Classifications
E; E05; E05F; E05F1/00; E05F1/08; E05F1/10; E05F1/12; E05F1/1207; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
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) | 1930-04-18 | 1930-10-18 | 1931-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-04-18 | 1934-10-18 | 1935-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-04-18 | 1938-10-18 | 1939-04-19 | $7700.00 | Window Closed / Lapsed |