Patent US4271801A successfully refreshed from Google Patents.
Patent US2838982A successfully refreshed from Google Patents.
US2838982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for applying dried steam to a pulp mat to evaporate water therefrom
Assignee: Individual
•
Filing: 1955-11-07
•
Granted: 1958-06-17
•
Expires: 1975-11-07
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Dupasquier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:39
CPC Classifications
D; D21; D21F; D21F7/00; D21F7/008
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE189736C
Cited
US1035218A
Cited
US1268941A
Cited
US1438511A
Cited
US1718573A
Cited
US1722503A
Cited
US1668314A
Cited
US1881404A
Cited
US2198378A
Cited
US2480851A
Cited
US2700226A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |