US3474993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Workbench underarm devices for invalid support
Assignee: Individual
•
Filing: 1967-03-23
•
Granted: 1969-10-28
•
Expires: 1987-03-23
Abstract
No abstract record available.
Inventors
- 👤 Charles E Murcott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:58
CPC Classifications
A; A61; A61H; A61H3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1894146A
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US2539577A
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US2642250A
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US2711183A
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US2801142A
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US2759525A
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US2788793A
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US3063752A
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US3157187A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |