US3352136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal forming machine
Assignee: Conrac Corp
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Filing: 1965-03-22
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Granted: 1967-11-14
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Expires: 1985-03-22
Abstract
No abstract record available.
Inventors
- 👤 Kenneth W Clarke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:02
CPC Classifications
B; B21; B21D; B21D7/00; B21D7/12; B21D5/00; B21D5/004; G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/188; G05B2219/00; G05B2219/30; G05B2219/41; G05B2219/41177; G05B2219/45; G05B2219/45143; Y; Y10; Y10S; Y10S72/00; Y10S72/702
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
79 words
IN A METAL FORMING MACHINE INCLUDING MEANS FOR FORMING A WORKPIECE SUBJECT TO SPRINGBACK TO A DESIRED SHAPE, MEANS FOR DETECTING AND GENERATING A SIGNAL REPRESENTATIVE OF THE ACTUAL SHAPE OF THE FORMED WORKPIECE, MEANS CONNECTED TO SAID LATTER MEANS TO BE RESPONSIVE TO THE DETECTED SIGNAL FOR COMPUTING A REFORMING CONTROL SIGNAL PROPORTIONED TO COMPENSATE FOR THE SPRINGBACK OF THE WORKPIECE AND CONNECTED TO APPLY SAID REFORMING SIGNAL TO SAID FORMING MEANS TO REACTUATE SAME IN RESPONSE THERETO.
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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |