Patent US2875432A successfully refreshed from Google Patents.
Patent US3172323A successfully refreshed from Google Patents.
US3172323A
Expired / Lapsed
US
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Automatic feed control device
Assignee: Individual
•
Filing: 1963-07-10
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Granted: 1965-03-09
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Expires: 1983-07-10
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Burd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:32
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/02; Y; Y10; Y10T; Y10T83/00; Y10T83/444; Y10T83/4501; Y10T83/463; Y10T83/4632; Y10T83/647; Y10T83/6572; Y10T83/6576; Y10T83/727; Y10T83/744; Y10T83/745
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
68 words
FOR USE WITH A PRESS HAVING A RECIPROCATING CUTTING TOOL, A WORK PIECE FEEDING DEVICE COMPRISING A RECTANGULAR FRAME, SLIDES DEPENDING FROM THE FRAME, A CARRIAGE ON THE FRAME, OPPOSITELY DISPOSED GUIDES ON THE CARRIAGE CO-ACTING WITH THE SLIDES, UPPER AND LOWER GROOVED ROLLERS SUPPORTED BY THE CARRIAGE WITH SIMILARLY LOCATED GROOVES IN THE TWO ROLLERS REGISTERING, PARALLEL SPACED GUIDE MEMBERS ENGAGING REGISTERING GROOVES, AN ARCUATE CLAMP ON
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) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |