Patent US3130083A successfully refreshed from Google Patents.
US3130083A
Expired / Lapsed
US
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Treatment of articles made of leatherlike material
Assignee: Individual
•
Filing: 1961-01-25
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Granted: 1964-04-21
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Expires: 1981-01-25
Abstract
No abstract record available.
Inventors
- 👤 Henry C Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:04
CPC Classifications
C; C14; C14C; C14C11/00; A; A43; A43D; A43D95/00; A43D95/06; A43D95/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A METHOD OF TREATING ARTICLES OF LEATHER IN WHICH FRICTIONAL OVERHEATING OF THE SAME IS MINIMIZED COMPRISING SUBJECTING THE SURFACE TO BE TREATED TO A STREAM OF COOLED FLUID CONTAINING PARTICLES OF ALUMINUM OXIDE WHEREIN THE PRESSURE OF THE COOLED FLUID STREAM LIES BETWEEN 0.5 P.S.I. AND 300 P.S.I. AND THE PARTICLES HAVE A DIAMETER IN THE RANGE FROM 0.002 INCH TO .060 INCH.
Claim 2
Independent Claim
64 words
A METHOD OF TREATING ARTICLES OF LEATHER IN WHICH FRICTIONAL OVERHEATING OF THE SAME IS MINIMIZED COMPRISING SUBJECTING THE SURFACE TO BE TREATED TO A STREAM OF COOLED FLUID CONTAINING PARTICLES OF ALUMINUM OXIDE WHEREIN THE PRESSURE OF THE COOLED FLUID STREAM LIES BETWEEN 0.5 P.S.I. AND 300 P.S.I. AND THE PARTICLES HAVE A DIAMETER IN THE RANGE FROM 0.002 INCH TO .060 INCH.
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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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |