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US3490448A
Expired / Lapsed
US
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Adhesive pressure pad
Assignee: Individual
•
Filing: 1967-07-31
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Granted: 1970-01-20
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Expires: 1987-07-31
Abstract
No abstract record available.
Inventors
- 👤 John Grubb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:25
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/02; A61F13/0203; A61F2013/00361; A61F2013/00365; A61F2013/00463; A61F2013/00468; A61F2013/00472
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2734503A
Cited
US3157178A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |