US3131118A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treating paper webs
Assignee: Johnson and Johnson
•
Filing: 1960-12-12
•
Granted: 1964-04-28
•
Expires: 1980-12-12
Abstract
No abstract record available.
Inventors
- 👤 Dabroski Winifred Christina
- 👤 Herr Benjamin Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:23
CPC Classifications
D; D21; D21H; D21H5/00; D21H5/24; D21H5/245; D21H25/00; D21H25/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2021975A
Cited
US2535734A
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US2624245A
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US2825117A
Cited
US3001545A
Cited
US2979131A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |