Patent US2070192A successfully refreshed from Google Patents.
US2500481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hinge structure
Assignee: Individual
•
Filing: 1945-07-18
•
Granted: 1950-03-14
•
Expires: 1965-07-18
Abstract
No abstract record available.
Inventors
- 👤 John B Adler
- 👤 Leonard J Rosa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:40
CPC Classifications
E; E05; E05D; E05D3/00; E05D3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE130116C
Cited
DE23175C
Cited
US22830A
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US28510A
Cited
GB189901999A
Cited
GB189913110A
Cited
US1423812A
Cited
US1998301A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |