US2842897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fibre mats and method of and apparatus for making the same
Assignee: Finn Equipment Co
•
Filing: 1953-08-11
•
Granted: 1958-07-15
•
Expires: 1973-08-11
Abstract
No abstract record available.
Inventors
- 👤 Charles O Finn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:23
CPC Classifications
A; A01; A01G; A01G13/00; A01G13/30; A01G13/37; A01G13/32; E; E02; E02B; E02B3/00; E02B3/04; E02B3/12; E02B3/122; E02B3/125
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US891299A
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US1888841A
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US1900615A
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US2161508A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |