US3035291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making footwear having waterproof soles
Assignee: Cambridge Rubber Co
•
Filing: 1958-03-05
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Granted: 1962-05-22
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Expires: 1978-03-05
Abstract
No abstract record available.
Inventors
- 👤 Jr George H Bingham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:49
CPC Classifications
A; A41; A41B; A41B11/00; A41B11/007; A43; A43B; A43B3/00; A43B3/02; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
THAT METHOD OF MAKING A WATERPROOF BOOT WHICH INCLUDES THE STEPS OF PROVIDING A UNITARY CUP SOLE OF PARTIALLY CURED WATERPROOF ELASTOMERIC MATERIAL, PROVIDING AN ELASTICALLY STRETCHABLE SOCK COMPRISING AT LEAST ONE PLY OF TEXTILE FABRIC COATED ON ONE SIDE AT LEAST WITH A MATERIAL WHICH, WHEN APPROPRIATELY TREATED, MAKES THE SOCK SHAPERETAINING, DRAWING THE SOCK OVER A LAST, AND SO TREATING THE SOCK THAT IT RETAINS ITS SHAPE WHEN SUBSEQUENTLY REMOVED FROM THE LAST, ASSEMBLING THE CUP SOLE AND THE LASTED SOCK WITH AN INCOMPLETELY CURED BONDING MEDIUM INTERPOSED BETWEEN THEM, ENVELOPING THE ASSEMBLED PARTS IN AN ELASTICALLY CONTRACTILE JACKET THEREBY TO HOLD THEM IN INTIMATE CONTACT AT ALL POINTS, AND COMPLETING THE CURING OF ANY OF THE CONSTITUENT ELEMENTS OF THE ASSEMBLY WHICH HAVE NOT PREVIOUSLY BEEN COMPLETELY CURED.
Claim 2
Dependent Claim
131 words
THAT METHOD OF MAKING A WATERPROOF BOOT WHICH INCLUDES THE STEPS OF PROVIDING A UNITARY CUP SOLE OF PARTIALLY CURED WATERPROOF ELASTOMERIC MATERIAL, PROVIDING AN ELASTICALLY STRETCHABLE SOCK COMPRISING AT LEAST ONE PLY OF TEXTILE FABRIC COATED ON ONE SIDE AT LEAST WITH A MATERIAL WHICH, WHEN APPROPRIATELY TREATED, MAKES THE SOCK SHAPERETAINING, DRAWING THE SOCK OVER A LAST, AND SO TREATING THE SOCK THAT IT RETAINS ITS SHAPE WHEN SUBSEQUENTLY REMOVED FROM THE LAST, ASSEMBLING THE CUP SOLE AND THE LASTED SOCK WITH AN INCOMPLETELY CURED BONDING MEDIUM INTERPOSED BETWEEN THEM, ENVELOPING THE ASSEMBLED PARTS IN AN ELASTICALLY CONTRACTILE JACKET THEREBY TO HOLD THEM IN INTIMATE CONTACT AT ALL POINTS, AND COMPLETING THE CURING OF ANY OF THE CONSTITUENT ELEMENTS OF THE ASSEMBLY WHICH HAVE NOT PREVIOUSLY BEEN COMPLETELY CURED.
References Cited (Backward Citations)
GB391101A
Cited
US2147197A
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US2365103A
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GB582431A
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US2586045A
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US2659911A
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US2641004A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |