US3344608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of lining ditches
Assignee: MacMillan Ring Free Oil Co Inc
•
Filing: 1965-01-07
•
Granted: 1967-10-03
•
Expires: 1985-01-07
Abstract
No abstract record available.
Inventors
- 👤 Paul R Mceachran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:33
CPC Classifications
E; E02; E02B; E02B5/00; E02B5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
THE METHOD OF FORMING A WATERPROOF LINER OVER A SURFACE, THAT INCLUDES THE STEPS OF: LAYING OVER THE SURFACE TO BE COVERED A NETTING OF OPEN MESH PROVIDING OPENINGS OF WIDTHS SUBSTANTIALLY NO SMALLER THAN ONE-FOURTH OF AN INCH AND BEING MADE FROM ORGANIC VEGETABLE FIBERS; APPLYING TO THE NETTING TO SAID SURFACE; WATER TO BOND THE NETTING TO SAID SURFACE; SPREADING A LAYER OF SAND OVER THE NETTING TO A DEPTH TO SUBSTANTIALLY FILL THE OPENINGS IN THE NETTING; AND FINALLY APPLYING TO THE NETTING AND THE LAYER OF SAND AN EMULSION OF ASPHALT AND WATER IN SUFFICIENT QUANTITY TO FORM A NON-POROUS ASPHALT LINER IN WHICH THE SAND AND NETTING ARE EMBEDDED.
Claim 2
Independent Claim
114 words
THE METHOD OF FORMING A WATERPROOF LINER OVER A SURFACE, THAT INCLUDES THE STEPS OF: LAYING OVER THE SURFACE TO BE COVERED A NETTING OF OPEN MESH PROVIDING OPENINGS OF WIDTHS SUBSTANTIALLY NO SMALLER THAN ONE-FOURTH OF AN INCH AND BEING MADE FROM ORGANIC VEGETABLE FIBERS; APPLYING TO THE NETTING TO SAID SURFACE; WATER TO BOND THE NETTING TO SAID SURFACE; SPREADING A LAYER OF SAND OVER THE NETTING TO A DEPTH TO SUBSTANTIALLY FILL THE OPENINGS IN THE NETTING; AND FINALLY APPLYING TO THE NETTING AND THE LAYER OF SAND AN EMULSION OF ASPHALT AND WATER IN SUFFICIENT QUANTITY TO FORM A NON-POROUS ASPHALT LINER IN WHICH THE SAND AND NETTING ARE EMBEDDED.
References Cited (Backward Citations)
US1705066A
Cited
US1884795A
Cited
US2047197A
Cited
US2115667A
Cited
US2333287A
Cited
US2353027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |