US3446105A
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US
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Assignee: Houdaille Industries Inc
•
Filing: 1967-01-24
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Granted: 1969-05-27
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Expires: 1987-01-24
Abstract
No abstract record available.
Inventors
- 👤 John H Herzog
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:57
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/02; B21D28/14; Y; Y10; Y10S; Y10S83/00; Y10S83/917; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/217; Y10T83/2172; Y10T83/2209; Y10T83/2216; Y10T83/869; Y10T83/8776; Y10T83/8785; Y10T83/8821; Y10T83/8841; Y10T83/8853; Y10T83/929; Y10T83/9411; Y10T83/9442; Y10T83/9444
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2338093A
Cited
US2555458A
Cited
US2757735A
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US3079824A
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US3230806A
Cited
US3345896A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |