US2703441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for forming composite fiber webs
Assignee: Curlator Corp
•
Filing: 1951-02-02
•
Granted: 1955-03-08
•
Expires: 1971-02-02
Abstract
No abstract record available.
Inventors
- 👤 Howard H Langdon
- 👤 Francis M Buresh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:03
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/70; D04H1/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE78030C
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US1425502A
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US1571375A
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US1757256A
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US1919275A
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US2012250A
Cited
GB562308A
Cited
US2451915A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-07 | 1958-09-06 | 1959-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-07 | 1962-09-06 | 1963-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-07 | 1966-09-06 | 1967-03-08 | $7700.00 | Window Closed / Lapsed |