Patent US2415097A successfully refreshed from Google Patents.
US2415097A
Expired / Lapsed
US
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Method of manufacturing clutch discs for airplanes
Assignee: Individual
•
Filing: 1940-09-28
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Granted: 1947-02-04
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Expires: 1960-09-28
Abstract
No abstract record available.
Inventors
- 👤 Hasimoto Masayosi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:44
CPC Classifications
F; F16; F16D; F16D69/00; F16D69/02; F16D69/021; F16D69/022; Y; Y10; Y10T; Y10T428/00; Y10T428/21; Y10T428/213; Y10T428/31504; Y10T428/31652; Y10T428/31656; Y10T428/31678; Y10T428/31688
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) | 1950-02-03 | 1950-08-05 | 1951-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-03 | 1954-08-05 | 1955-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-03 | 1958-08-05 | 1959-02-04 | $7700.00 | Window Closed / Lapsed |