US3457584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hinge motion control mechanism
Assignee: Weber Knapp Co
•
Filing: 1967-08-22
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Granted: 1969-07-29
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Expires: 1987-08-22
Abstract
No abstract record available.
Inventors
- 👤 Malcolm T Phelps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:52
CPC Classifications
E; E05; E05F; E05F1/00; E05F1/08; E05F1/10; E05F1/12; E05F1/1246; E05F1/1253; E05F1/1261; E05Y; E05Y2900/00; E05Y2900/30; E05Y2900/306
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3183550A
Cited
US3187374A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |