US3385531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for grinding and distributing pulpboard
Assignee: Johnson and Johnson
•
Filing: 1965-06-02
•
Granted: 1968-05-28
•
Expires: 1985-06-02
Abstract
No abstract record available.
Inventors
- 👤 Kalwaites Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:31
CPC Classifications
D; D21; D21H; D21H5/00; D21H5/26; D21H5/2607; D21H5/2614; D21H11/00; D21H11/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US260669A
Cited
US264167A
Cited
DE1068090B
Cited
US673995A
Cited
US2414855A
Cited
US2753908A
Cited
US2986348A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |