US2424740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaped featherbone material and process for making same
Assignee: WARREN FEATHERBONE CO
•
Filing: 1944-01-27
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Granted: 1947-07-29
•
Expires: 1964-01-27
Abstract
No abstract record available.
Inventors
- 👤 Frederic W Chamberlain
- 👤 Anthony J Klute
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:40
CPC Classifications
A; A41; A41D; A41D13/00; A41D13/04; A41D13/046; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T24/00; Y10T24/44; Y10T24/44641; Y10T24/44769; Y10T24/44778; Y10T24/44932
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2230788A
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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) | 1950-07-28 | 1951-01-27 | 1951-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-28 | 1955-01-27 | 1955-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-28 | 1959-01-27 | 1959-07-29 | $7700.00 | Window Closed / Lapsed |