US2887193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hinge construction
Assignee: Aurora Equipment Co
•
Filing: 1954-04-19
•
Granted: 1959-05-19
•
Expires: 1974-04-19
Abstract
No abstract record available.
Inventors
- 👤 Richard W Sitler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:48
CPC Classifications
E; E05; E05D; E05D5/00; E05D5/02; E05D5/0215; E05D5/0223; E05D5/023; E05Y; E05Y2900/00; E05Y2900/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US164774A
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CH27634A
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US1044047A
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US1462657A
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US1492257A
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US1590441A
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US1526546A
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US1822251A
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US2578610A
Cited
US2661085A
Cited
US2648870A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |