Patent US2651857A successfully refreshed from Google Patents.
US2651857A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cover for temporary protection of shoes
Assignee: BB Chemical Co
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Filing: 1950-04-18
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Granted: 1953-09-15
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Expires: 1970-04-18
Abstract
No abstract record available.
Inventors
- 👤 Stanley M Griswold
- 👤 Jr Harold C Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:37
CPC Classifications
A; A43; A43D; A43D11/00; A43D11/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A TEMPORARY PROTECTIVE COVER FOR APPLICATION TO THE UPPER OF A SHOE TO GUARD THE UPPER AGAINST SOILING DURING SHOEMAKING OPERATIONS COMPRISING AN INTEGRAL, THIN, FLEXIBLE SHEET CONFORMING GENERALLY TO THE SHAPE OF AND HAVING A WIDTH AND LENGTH TO EXTEND TO THE LASTING MARGIN OF A SHOE UPPER WITH A SEAMLESS PORTION FOR COVERING THE FORWARD PART OF THE SHOE UPPER AND WITH THE REAR EDGE PORTIONS OF THE SHEET SECURED TOGETHER TO HOLD THE SHEET IN SHOE CONFORMING SHAPE PROVIDING A POCKET FOR RECEIVING THE HEEL PORTION OF A SHOE, AND A LAYER OF A HEATACTIVATABLE ADHESIVE BONDED BY AN INTERVENING ADHESIVE PRECOAT TO THE INNER FACE OF THE SHEET
Claim 2
Dependent Claim
112 words
A TEMPORARY PROTECTIVE COVER FOR APPLICATION TO THE UPPER OF A SHOE TO GUARD THE UPPER AGAINST SOILING DURING SHOEMAKING OPERATIONS COMPRISING AN INTEGRAL, THIN, FLEXIBLE SHEET CONFORMING GENERALLY TO THE SHAPE OF AND HAVING A WIDTH AND LENGTH TO EXTEND TO THE LASTING MARGIN OF A SHOE UPPER WITH A SEAMLESS PORTION FOR COVERING THE FORWARD PART OF THE SHOE UPPER AND WITH THE REAR EDGE PORTIONS OF THE SHEET SECURED TOGETHER TO HOLD THE SHEET IN SHOE CONFORMING SHAPE PROVIDING A POCKET FOR RECEIVING THE HEEL PORTION OF A SHOE, AND A LAYER OF A HEATACTIVATABLE ADHESIVE BONDED BY AN INTERVENING ADHESIVE PRECOAT TO THE INNER FACE OF THE SHEET
References Cited (Backward Citations)
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Cited
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US2335124A
Cited
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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) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |