US2854347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of erosion control of mineral products
Assignee: Wyeth Holdings LLC
•
Filing: 1954-06-14
•
Granted: 1958-09-30
•
Expires: 1974-06-14
Abstract
No abstract record available.
Inventors
- 👤 Robert B Booth
- 👤 James A Melchore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:49
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/22; C10; C10L; C10L9/00; C10L9/10; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
THE PROCESS OF PROTECTING THE SURFACE OF RELATIVELY LARGE MASSES OF FINELY-DIVIDED MINERALS ON EXPOSURE TO THE ELEMENTS SO AS TO PREVENT WIND AND WATER EROSION OF THE MINERALS WHICH COMPRISES APPLYING TO THE SURFACE OF THE MASSES OF FINELY-DIVIDED MINERALS A RELATIVELY THIN COATING AT A RATE FROM 0.5 TO 15 POUNDS OF SOLIDS PER 100 SQUARE FEET OF AREA OF MINERAL MASS OF A NATURAL RUBBER LATEX AND WHICH EXTENDS DOWNWARDLY INTO THE MASS OF MINERALS ONLY A FRACTION OF THE TOTAL DEPTH OF THE MASS SO AS TO PROVIDE A CONTINUOUS FILM OVER THE SURFACE OF THE MINERALS WHEREBY THE NORMALLY EXPOSED SURFACES ARE RENDERED RESISTANT TO THE EROSIVE ACTION OF WIND AND WATER.
Claim 2
Dependent Claim
117 words
THE PROCESS OF PROTECTING THE SURFACE OF RELATIVELY LARGE MASSES OF FINELY-DIVIDED MINERALS ON EXPOSURE TO THE ELEMENTS SO AS TO PREVENT WIND AND WATER EROSION OF THE MINERALS WHICH COMPRISES APPLYING TO THE SURFACE OF THE MASSES OF FINELY-DIVIDED MINERALS A RELATIVELY THIN COATING AT A RATE FROM 0.5 TO 15 POUNDS OF SOLIDS PER 100 SQUARE FEET OF AREA OF MINERAL MASS OF A NATURAL RUBBER LATEX AND WHICH EXTENDS DOWNWARDLY INTO THE MASS OF MINERALS ONLY A FRACTION OF THE TOTAL DEPTH OF THE MASS SO AS TO PROVIDE A CONTINUOUS FILM OVER THE SURFACE OF THE MINERALS WHEREBY THE NORMALLY EXPOSED SURFACES ARE RENDERED RESISTANT TO THE EROSIVE ACTION OF WIND AND WATER.
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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) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |