Patent US3201812A successfully refreshed from Google Patents.
US3201812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leather conditioning
Assignee: United Shoe Machinery Corp
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Filing: 1963-07-25
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Granted: 1965-08-24
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Expires: 1983-07-25
Abstract
No abstract record available.
Inventors
- 👤 Hubert O Chaplin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:08
CPC Classifications
C; C14; C14C; C14C15/00; C14B; C14B1/00; C14B2700/00; C14B2700/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
THE METHOD OF CONDITIONING LEATHER COMPRISING SUBJECTING A LEATHER ARTICLE TO A CONDITIONING MEDIUM, APPLYING A SUBSTANTIALLY CONTINUOUS COATING TO ONE SIDE SURFACE OF THE LEATHER ARTICLE, AND HEATING THE COATED SIDE WHILE MAINTAINING AN OPPOSITE SIDE SURFACE AT A TEMPERATURE LOWER THAN THE HEATED SIDE.
Claim 2
Independent Claim
46 words
THE METHOD OF CONDITIONING LEATHER COMPRISING SUBJECTING A LEATHER ARTICLE TO A CONDITIONING MEDIUM, APPLYING A SUBSTANTIALLY CONTINUOUS COATING TO ONE SIDE SURFACE OF THE LEATHER ARTICLE, AND HEATING THE COATED SIDE WHILE MAINTAINING AN OPPOSITE SIDE SURFACE AT A TEMPERATURE LOWER THAN THE HEATED SIDE.
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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |