US3487830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical cast and orthopedic toe protecting sock
Assignee: FRANK M PRUETT
•
Filing: 1969-05-05
•
Granted: 1970-01-06
•
Expires: 1989-05-05
Abstract
No abstract record available.
Inventors
- 👤 Frank M Pruett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:53
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/04; A61F13/041; A61F13/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1132159A
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US1265983A
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US1260888A
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US2596211A
Cited
US2703405A
Cited
US2956561A
Cited
US2966748A
Cited
US2949912A
Cited
US3104479A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |