Patent US3017793A successfully refreshed from Google Patents.
US3017793A
Expired / Lapsed
US
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Forming tools, machines and methods
Assignee: Appel Process Ltd
•
Filing: 1959-02-16
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Granted: 1962-01-23
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Expires: 1979-02-16
Abstract
No abstract record available.
Inventors
- 👤 Gerhard H Appel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:54
CPC Classifications
B; B21; B21J; B21J13/00; B21J5/00; B21J5/06; B21J5/12; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49377; Y10T29/49378; Y10T29/49384
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2641822A
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FR1073209A
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US2852835A
Cited
US2810185A
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GB797518A
Cited
GB789861A
Cited
US2917809A
Cited
US2872720A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |