US2530331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable hinge mechanism
Assignee: SHELBY SPRING HINGE CO
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Filing: 1948-07-14
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Granted: 1950-11-14
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Expires: 1968-07-14
Abstract
No abstract record available.
Inventors
- 👤 Henry E Hubbs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:31
CPC Classifications
E; E05; E05D; E05D7/00; E05D7/04; E05D7/0415; E05D7/0423; E05D7/08; E05D7/081; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
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) | 1953-11-13 | 1954-05-15 | 1954-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-13 | 1958-05-15 | 1958-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-13 | 1962-05-15 | 1962-11-14 | $7700.00 | Window Closed / Lapsed |