US3524674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semi-rigid support for upper structure
Assignee: JOE L MEDEIROS
•
Filing: 1967-10-18
•
Granted: 1970-08-18
•
Expires: 1987-10-18
Abstract
No abstract record available.
Inventors
- 👤 Joe L Medeiros
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:15
CPC Classifications
B; B60; B60J; B60J7/00; B60J7/08; B60J7/10; B60J7/102; B60J7/104
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2025822A
Cited
US2052535A
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US2740642A
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US2805887A
Cited
US3036858A
Cited
US3203728A
Cited
US3289871A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-17 | 1974-02-16 | 1974-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-17 | 1978-02-16 | 1978-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-17 | 1982-02-16 | 1982-08-18 | $7700.00 | Window Closed / Lapsed |