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US2760805A
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Assignee: C Hager & Sons Hinge Manufacturing Co
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Filing: 1952-11-14
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Granted: 1956-08-28
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Expires: 1972-11-14
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Stevens
- 👤 Jr Louis A Hager
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:34
CPC Classifications
E; E05; E05C; E05C17/00; E05C17/02; E05C17/04; E05C17/12; E05C17/18; Y; Y10; Y10T; Y10T292/00; Y10T292/28; Y10T292/289
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US747866A
Cited
GB190813805A
Cited
US1142140A
Cited
US1565713A
Cited
US1742303A
Cited
CH177903A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-28 | 1960-02-27 | 1960-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-28 | 1964-02-27 | 1964-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-28 | 1968-02-27 | 1968-08-28 | $7700.00 | Window Closed / Lapsed |