Patent US2630045A successfully refreshed from Google Patents.
US2630045A
Expired / Lapsed
US
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Papermaking apparatus
Assignee: Individual
•
Filing: 1950-06-21
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Granted: 1953-03-03
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Expires: 1970-06-21
Abstract
No abstract record available.
Inventors
- 👤 Benjamin E Teale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:26
CPC Classifications
D; D21; D21F; D21F1/00; D21F1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1261194A
Cited
US1467662A
Cited
US1764260A
Cited
GB285311A
Cited
US1936609A
Cited
US2183015A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |