US2841204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing a non-woven fibrous sheet
Assignee: Individual
•
Filing: 1953-02-05
•
Granted: 1958-07-01
•
Expires: 1973-02-05
Abstract
No abstract record available.
Inventors
- 👤 Joshua H Goldman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:47
CPC Classifications
D; D04; D04H; D04H1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1834309A
Cited
US1936548A
Cited
US2055411A
Cited
GB419874A
Cited
US2055412A
Cited
US2361310A
Cited
US2403384A
Cited
US2409898A
Cited
US2442333A
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US2532330A
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US2451915A
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US2571335A
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US2513893A
Cited
US2589008A
Cited
US2477675A
Cited
US2648876A
Cited
US2653416A
Cited
US2619151A
Cited
US2692220A
Cited
US2788547A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-30 | 1961-12-30 | 1962-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-30 | 1965-12-30 | 1966-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-30 | 1969-12-30 | 1970-07-01 | $7700.00 | Window Closed / Lapsed |