US2633128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pad construction and process
Assignee: Johnson and Johnson
•
Filing: 1949-08-26
•
Granted: 1953-03-31
•
Expires: 1969-08-26
Abstract
No abstract record available.
Inventors
- 👤 Robert J Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:39
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/02; A61F13/0203; Y; Y10; Y10S; Y10S602/00; Y10S602/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2254915A
Cited
US2226546A
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US2356354A
Cited
US2382169A
Cited
US2353332A
Cited
US2521984A
Cited
US2476924A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-30 | 1956-09-29 | 1957-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-30 | 1960-09-29 | 1961-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-30 | 1964-09-29 | 1965-03-31 | $7700.00 | Window Closed / Lapsed |