US3696455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for locked shoe construction
Assignee: Batchelder Rubico Inc
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Filing: 1971-01-07
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Granted: 1972-10-10
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Expires: 1991-01-07
Abstract
Abstract A shoe construction and process utilizing a prefinished outer sole assembly which is adhesively secured to and locked in predetermined registration with a tightly lasted shoe upper. The finished shoe is characterized by the absence of any lasting means. In one embodiment of the process, the shoe upper and associated upper components are lasted to a temporary lasting plug which is subsequently removed prior to outsole attaching.
Inventors
- 👤 Charles F Batchelder
- 👤 Jerome A Rubico
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:39
CPC Classifications
A; A43; A43B; A43B9/00; A43B9/12
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
75 words
A method of shoe manufacture comprising the steps of: temporarily securing a lasting plug in a predetermined position on the bottom of a last; lasting an upper to said lasting plug; cutting out said lasting plug by severing the lasted upper along the edge of the lasting plug; removing said lasting plug together with the upper material lasted thereto; securing a sole element to said lasted upper; and, thereafter completing the manufacture of the shoe.
Claim 2
Independent Claim
75 words
A method of shoe manufacture comprising the steps of: temporarily securing a lasting plug in a predetermined position on the bottom of a last; lasting an upper to said lasting plug; cutting out said lasting plug by severing the lasted upper along the edge of the lasting plug; removing said lasting plug together with the upper material lasted thereto; securing a sole element to said lasted upper; and, thereafter completing the manufacture of the shoe.
Claim 3
Dependent Claim
19 words
The method of claim 1 further characterized by heat setting the lasted upper before cutting out the lasting plug.
Claim 4
Dependent Claim
24 words
The method of claim 1 further characterized by preparing the lasted upper for sole attaching before securing the sole element to the lasted upper.
Claim 5
Dependent Claim
34 words
The method of claim 1 wherein said lasting plug is temporarily secured in position on the bottom of the last by placing said plug in a depression located in the bottom of the last.
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) | 1975-10-10 | 1976-04-10 | 1976-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-10 | 1980-04-10 | 1980-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-10 | 1984-04-10 | 1984-10-10 | $7700.00 | Window Closed / Lapsed |