Patent US3237227A successfully refreshed from Google Patents.
US3237227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Directionally shrinking lasted shoe uppers
Assignee: FORMULAST CORP
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Filing: 1964-04-10
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Granted: 1966-03-01
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Expires: 1984-04-10
Abstract
No abstract record available.
Inventors
- 👤 Morton S Bromfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:40
CPC Classifications
A; A43; A43D; A43D11/00; A43D11/14; A43D11/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A METHOD OF SHOEMAKING COMPRISING LIGHTLY LASTING A SHOE UPPER UPON A LAST, DIRECTING FINE SPRAYS OF WATER ONLY UPON THE THROAT AND BACK SEAM AREAS OF THE LIGHTLY LASTED SHOE UPPER TO MOISTEN THESE AREAS, AND THEN PROMPTLY SUBJECTING THE MOISTENED, LIGHTLY LASTED SHOE UPPER TO FORCE DRYING.
Claim 2
Independent Claim
49 words
A METHOD OF SHOEMAKING COMPRISING LIGHTLY LASTING A SHOE UPPER UPON A LAST, DIRECTING FINE SPRAYS OF WATER ONLY UPON THE THROAT AND BACK SEAM AREAS OF THE LIGHTLY LASTED SHOE UPPER TO MOISTEN THESE AREAS, AND THEN PROMPTLY SUBJECTING THE MOISTENED, LIGHTLY LASTED SHOE UPPER TO FORCE DRYING.
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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |