Patent US2427597A successfully refreshed from Google Patents.
US3442268A
Expired / Lapsed
US
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Assignee: Johnson and Johnson
•
Filing: 1966-01-13
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Granted: 1969-05-06
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Expires: 1986-01-13
Abstract
No abstract record available.
Inventors
- 👤 William Henry Bird
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:52
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/14; A61F13/141; A61F13/15; A61F2013/15008; A61F2013/15016
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2630119A
Cited
US2715733A
Cited
US2783474A
Cited
US2788003A
Cited
US2891544A
Cited
US2896623A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-05 | 1972-11-04 | 1973-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-05 | 1976-11-04 | 1977-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-05 | 1980-11-04 | 1981-05-06 | $7700.00 | Window Closed / Lapsed |