US2922418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-permeable product and method of making the same
Assignee: Johnson and Johnson
•
Filing: 1956-12-24
•
Granted: 1960-01-26
•
Expires: 1976-12-24
Abstract
No abstract record available.
Inventors
- 👤 William R Heffernan
- 👤 Richard F Schenk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:22
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/08; B29C70/088; A; A62; A62B; A62B23/00; A62B23/02; A62B23/025; B29C67/00; B29C67/0044; B29D; B29D99/00; B29D99/0064; B29D99/0071; B29L; B29L2031/00; B29L2031/48; B29L2031/4807; B29L2031/4835
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US38255A
Cited
US1313745A
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US787167A
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US1292096A
Cited
US2422725A
Cited
US2495045A
Cited
US2481602A
Cited
US2424777A
Cited
US2775967A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-25 | 1963-07-27 | 1964-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-25 | 1967-07-27 | 1968-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-25 | 1971-07-27 | 1972-01-26 | $7700.00 | Window Closed / Lapsed |