US3460735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heading machine
Assignee: Chugai Electric Industrial Co Ltd
•
Filing: 1965-09-13
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Granted: 1969-08-12
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Expires: 1985-09-13
Abstract
No abstract record available.
Inventors
- 👤 Akira Shibata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:12
CPC Classifications
B; B21; B21J; B21J5/00; B21J5/06; B21J5/08; B21K; B21K1/00; B21K1/58; B21K1/62; H; H01; H01R; H01R43/00; H01R43/02; H01R43/0207; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49204; Y10T29/49208; Y10T29/49218
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE944161C
Cited
US3026603A
Cited
DE1135272B
Cited
FR1243746A
Cited
US3279505A
Cited
US3311965A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |