Patent US2429073A successfully refreshed from Google Patents.
US2429073A
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Dyed composite felt and method of making same
Assignee: Hat Corp of America
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Filing: 1944-08-05
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Granted: 1947-10-14
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Expires: 1964-08-05
Abstract
No abstract record available.
Inventors
- 👤 George M Riekus
- 👤 Stanley G Hoffman
- 👤 Bernard H Archer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:30
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/04; D04H1/08; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31725; Y10T428/31761
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2093651A
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US2123152A
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US2191362A
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US2169546A
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GB537964A
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US2355598A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-13 | 1951-04-14 | 1951-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-13 | 1955-04-14 | 1955-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-13 | 1959-04-14 | 1959-10-14 | $7700.00 | Window Closed / Lapsed |