US2532910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for drying paper, paperboard, pulp, and the like
Assignee: Kalamazoo Vegetable Parchment Co
•
Filing: 1947-09-02
•
Granted: 1950-12-05
•
Expires: 1967-09-02
Abstract
No abstract record available.
Inventors
- 👤 Ralph A Hayward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:14
CPC Classifications
D; D21; D21F; D21F5/00; D21F5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1000391A
Cited
US1115808A
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US1427437A
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US1664656A
Cited
US2061976A
Cited
US2091805A
Cited
US2199455A
Cited
US2174744A
Cited
US2224803A
Cited
US2231224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |