Patent US2907388A successfully refreshed from Google Patents.
US2907388A
Expired / Lapsed
US
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Apparatus for forming a fibrous web from a liquid suspension
Assignee: Individual
•
Filing: 1957-06-26
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Granted: 1959-10-06
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Expires: 1977-06-26
Abstract
No abstract record available.
Inventors
- 👤 Stewart E Seaman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:17
CPC Classifications
D; D21; D21F; D21F3/00; D21F3/02; D21F3/04; D21F9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US412359A
Cited
DE236021C
Cited
US1039067A
Cited
US1520489A
Cited
US1492563A
Cited
US1596775A
Cited
US2081460A
Cited
US2009848A
Cited
US2209756A
Cited
US2348345A
Cited
US2370129A
Cited
US2404946A
Cited
US2512648A
Cited
US2653522A
Cited
GB775898A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |