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US2462487A
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US
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Apparatus for forming felt
Assignee: FRANK H LEE Co
•
Filing: 1945-12-28
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Granted: 1949-02-22
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Expires: 1965-12-28
Abstract
No abstract record available.
Inventors
- 👤 Griffith Ivor
- 👤 Alfred P Huchberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:03
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/04; D04H1/08; D04H1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-22 | 1952-08-23 | 1953-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-22 | 1956-08-23 | 1957-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-22 | 1960-08-23 | 1961-02-22 | $7700.00 | Window Closed / Lapsed |