US3274628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of shoe components
Assignee: RALPHS ENGINEERING Co Ltd
•
Filing: 1962-05-31
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Granted: 1966-09-27
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Expires: 1982-05-31
Abstract
No abstract record available.
Inventors
- 👤 Ralphs George Trevor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:42
CPC Classifications
A; A43; A43D; A43D95/00; A43D95/06; A43D27/00; A43D29/00; A43D95/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A METHOD OF PRODUCING PRE-FINISHED OUTSOLES FOR SHOES OR SHOE BOTTOM UNITS, WHEREIN A PLURALITY OF SOLE BLANKS ARE SUPERPOSED ONE UPON ANOTHER AND HELD TOGETHER IN A STACK, AND, ALL WHILE HELD TOGETHER IN THE STACK, THE BLANKS ARE SUBJECTED TO AN EDGE TRIMMING OPERATION TO PRODUCE THE REQUIRED EDGE CONTOUR ON THE BLANKS, ANY LOOSE PARTICLES ARE REMOVED FROM THE TRIMMED EDGES, AND AFTERWARDS, WHILE THE BLANKS ARE STILL HELD TOGETHER IN THE SAME STACK, THE BLANKS ARE SUBJECTED TO AN INKING OPERATION TO PRODUCE THE REQUIRED FINISHED EDGE ON THE BLANKS.
Claim 2
Independent Claim
94 words
A METHOD OF PRODUCING PRE-FINISHED OUTSOLES FOR SHOES OR SHOE BOTTOM UNITS, WHEREIN A PLURALITY OF SOLE BLANKS ARE SUPERPOSED ONE UPON ANOTHER AND HELD TOGETHER IN A STACK, AND, ALL WHILE HELD TOGETHER IN THE STACK, THE BLANKS ARE SUBJECTED TO AN EDGE TRIMMING OPERATION TO PRODUCE THE REQUIRED EDGE CONTOUR ON THE BLANKS, ANY LOOSE PARTICLES ARE REMOVED FROM THE TRIMMED EDGES, AND AFTERWARDS, WHILE THE BLANKS ARE STILL HELD TOGETHER IN THE SAME STACK, THE BLANKS ARE SUBJECTED TO AN INKING OPERATION TO PRODUCE THE REQUIRED FINISHED EDGE ON THE BLANKS.
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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |